diff --git a/apps/block_scout_web/assets/js/lib/async_listing_load.js b/apps/block_scout_web/assets/js/lib/async_listing_load.js
index 13c4aa7da2..30450c6dde 100644
--- a/apps/block_scout_web/assets/js/lib/async_listing_load.js
+++ b/apps/block_scout_web/assets/js/lib/async_listing_load.js
@@ -271,7 +271,7 @@ export function createAsyncLoadStore (reducer, initialState, itemKey) {
     })
   }
 
-  connectElements({store, elements})
+  connectElements({ store, elements })
   firstPageLoad(store)
   return store
 }
@@ -280,20 +280,20 @@ function firstPageLoad (store) {
   const $element = $('[data-async-listing]')
   function loadItemsNext () {
     const path = store.getState().nextPagePath
-    store.dispatch({type: 'START_REQUEST'})
-    $.getJSON(path, {type: 'JSON'})
-      .done(response => store.dispatch(Object.assign({type: 'ITEMS_FETCHED'}, humps.camelizeKeys(response))))
-      .fail(() => store.dispatch({type: 'REQUEST_ERROR'}))
-      .always(() => store.dispatch({type: 'FINISH_REQUEST'}))
+    store.dispatch({ type: 'START_REQUEST' })
+    $.getJSON(path, { type: 'JSON' })
+      .done(response => store.dispatch(Object.assign({ type: 'ITEMS_FETCHED' }, humps.camelizeKeys(response))))
+      .fail(() => store.dispatch({ type: 'REQUEST_ERROR' }))
+      .always(() => store.dispatch({ type: 'FINISH_REQUEST' }))
   }
 
   function loadItemsPrev () {
     const path = store.getState().prevPagePath
-    store.dispatch({type: 'START_REQUEST'})
-    $.getJSON(path, {type: 'JSON'})
-      .done(response => store.dispatch(Object.assign({type: 'ITEMS_FETCHED'}, humps.camelizeKeys(response))))
-      .fail(() => store.dispatch({type: 'REQUEST_ERROR'}))
-      .always(() => store.dispatch({type: 'FINISH_REQUEST'}))
+    store.dispatch({ type: 'START_REQUEST' })
+    $.getJSON(path, { type: 'JSON' })
+      .done(response => store.dispatch(Object.assign({ type: 'ITEMS_FETCHED' }, humps.camelizeKeys(response))))
+      .fail(() => store.dispatch({ type: 'REQUEST_ERROR' }))
+      .always(() => store.dispatch({ type: 'FINISH_REQUEST' }))
   }
   loadItemsNext()
 
@@ -305,14 +305,14 @@ function firstPageLoad (store) {
   $element.on('click', '[data-next-page-button]', (event) => {
     event.preventDefault()
     loadItemsNext()
-    store.dispatch({type: 'NAVIGATE_TO_OLDER'})
+    store.dispatch({ type: 'NAVIGATE_TO_OLDER' })
     event.stopImmediatePropagation()
   })
 
   $element.on('click', '[data-prev-page-button]', (event) => {
     event.preventDefault()
     loadItemsPrev()
-    store.dispatch({type: 'NAVIGATE_TO_NEWER'})
+    store.dispatch({ type: 'NAVIGATE_TO_NEWER' })
     event.stopImmediatePropagation()
   })
 }
@@ -320,6 +320,6 @@ function firstPageLoad (store) {
 const $element = $('[data-async-load]')
 if ($element.length) {
   const store = createStore(asyncReducer)
-  connectElements({store, elements})
+  connectElements({ store, elements })
   firstPageLoad(store)
 }
diff --git a/apps/block_scout_web/assets/js/lib/awesomplete-util.js b/apps/block_scout_web/assets/js/lib/awesomplete-util.js
index 5b37e1dd2f..bb13499228 100644
--- a/apps/block_scout_web/assets/js/lib/awesomplete-util.js
+++ b/apps/block_scout_web/assets/js/lib/awesomplete-util.js
@@ -38,13 +38,13 @@ window.AwesompleteUtil = (function () {
     var lv = Array.isArray(data)
       ? { label: data[0], value: data[1] }
       : typeof data === 'object' && 'label' in data && 'value' in data ? data : { label: data, value: data }
-    return {label: lv.label || lv.value, value: lv.value}
+    return { label: lv.label || lv.value, value: lv.value }
   }
 
   // Helper to send events with detail property.
   function _fire (target, name, detail) {
     // $.fire uses deprecated methods but other methods don't work in IE11.
-    return $.fire(target, name, {detail: detail})
+    return $.fire(target, name, { detail: detail })
   }
 
   // Look if there is an exact match or a mismatch, set awe-found, awe-not-found css class and send match events.
@@ -74,7 +74,7 @@ window.AwesompleteUtil = (function () {
           }
         }
         // Don't want to change the real input field, emulate a fake one.
-        fake = {input: {value: ''}}
+        fake = { input: { value: '' } }
         // Determine how this suggestion would look like if it is replaced in the input field,
         // it is an exact match if somebody types exactly that.
         // Use the fake input here. fake.input.value will contain the result of the replace function.
@@ -222,7 +222,7 @@ window.AwesompleteUtil = (function () {
           awe.utilprops.url,
           awe.utilprops.urlEnd,
           awe.utilprops.loadall ? '' : val,
-          _onLoad.bind({awe: awe, xhr: xhr, queryVal: val}),
+          _onLoad.bind({ awe: awe, xhr: xhr, queryVal: val }),
           xhr
         )
       } else {
@@ -401,15 +401,15 @@ window.AwesompleteUtil = (function () {
     // for arrays at top and subtop level
     if (level < 2 && prop) {
       // if a 'value' is specified and found a mathing property, create extra 'value' property.
-      if (value && (prop + '.').lastIndexOf(value + '.', 0) === 0) { result['value'] = result[prop] }
+      if (value && (prop + '.').lastIndexOf(value + '.', 0) === 0) { result.value = result[prop] }
       // if a 'label' is specified and found a mathing property, create extra 'label' property.
-      if (label && (prop + '.').lastIndexOf(label + '.', 0) === 0) { result['label'] = result[prop] }
+      if (label && (prop + '.').lastIndexOf(label + '.', 0) === 0) { result.label = result[prop] }
     }
     if (level === 0) {
       // Make sure that both value and label properties exist, even if they are nil.
       // This is handy with limit 0 or 1 when the result doesn't have to contain an array.
-      if (value && !('value' in result)) { result['value'] = null }
-      if (label && !('label' in result)) { result['label'] = null }
+      if (value && !('value' in result)) { result.value = null }
+      if (label && !('label' in result)) { result.label = null }
     }
     return result
   }
@@ -506,17 +506,18 @@ window.AwesompleteUtil = (function () {
       var boundOnKeydown = _onKeydown.bind(awe)
       var boundOnInput = _onInput.bind(awe)
       var boundSelect = _select.bind(awe)
-      var boundDetach = _detach.bind({awe: awe,
+      var boundDetach = _detach.bind({
+        awe: awe,
         boundMatch: boundMatch,
         boundOnInput: boundOnInput,
         boundOnKeydown: boundOnKeydown,
         boundSelect: boundSelect
       })
       var events = {
-        'keydown': boundOnKeydown,
-        'input': boundOnInput
+        keydown: boundOnKeydown,
+        input: boundOnInput
       }
-      events['blur'] = events[_AWE_CLOSE] = events[_AWE_LOAD] = boundMatch
+      events.blur = events[_AWE_CLOSE] = events[_AWE_LOAD] = boundMatch
       events[_AWE_SELECT] = boundSelect
       $.bind(elem, events)
 
@@ -552,7 +553,7 @@ window.AwesompleteUtil = (function () {
     // Create function to copy a field from the selected autocomplete item to another DOM element.
     // dataField can be null.
     createCopyFun: function (sourceId, dataField, targetId) {
-      return _copyFun.bind({sourceId: sourceId, dataField: dataField, targetId: $(targetId) || targetId})
+      return _copyFun.bind({ sourceId: sourceId, dataField: dataField, targetId: $(targetId) || targetId })
     },
 
     // attach copy function to event listeners. prepop is optional and by default true.
@@ -585,7 +586,7 @@ window.AwesompleteUtil = (function () {
 
     // Create function for combobox button (btnId) to toggle dropdown list.
     createClickFun: function (btnId, awe) {
-      return _clickFun.bind({btnId: btnId, awe: awe})
+      return _clickFun.bind({ btnId: btnId, awe: awe })
     },
 
     // Attach click function for combobox to click event.
diff --git a/apps/block_scout_web/assets/js/lib/card_tabs.js b/apps/block_scout_web/assets/js/lib/card_tabs.js
index 24b08e641e..11812c9223 100644
--- a/apps/block_scout_web/assets/js/lib/card_tabs.js
+++ b/apps/block_scout_web/assets/js/lib/card_tabs.js
@@ -17,7 +17,7 @@ $(function () {
       const siblings = $(this).siblings()
 
       if (siblings.is(':hidden')) {
-        siblings.css({ 'display': 'flex' })
+        siblings.css({ display: 'flex' })
       } else {
         siblings.hide()
       }
diff --git a/apps/block_scout_web/assets/js/lib/clipboard_buttons.js b/apps/block_scout_web/assets/js/lib/clipboard_buttons.js
index e195a68d0b..d59a22ce45 100644
--- a/apps/block_scout_web/assets/js/lib/clipboard_buttons.js
+++ b/apps/block_scout_web/assets/js/lib/clipboard_buttons.js
@@ -3,7 +3,7 @@ import $ from 'jquery'
 
 const clipboard = new ClipboardJS('[data-clipboard-text]')
 
-clipboard.on('success', ({trigger}) => {
+clipboard.on('success', ({ trigger }) => {
   const copyButton = $(trigger)
   copyButton.tooltip('dispose')
 
diff --git a/apps/block_scout_web/assets/js/lib/coin_balance_history_chart.js b/apps/block_scout_web/assets/js/lib/coin_balance_history_chart.js
index db84586c6b..9cd0bd61b0 100644
--- a/apps/block_scout_web/assets/js/lib/coin_balance_history_chart.js
+++ b/apps/block_scout_web/assets/js/lib/coin_balance_history_chart.js
@@ -8,7 +8,7 @@ export function createCoinBalanceHistoryChart (el) {
   const $chartError = $('[data-chart-error-message]')
   const dataPath = el.dataset.coin_balance_history_data_path
 
-  $.getJSON(dataPath, {type: 'JSON'})
+  $.getJSON(dataPath, { type: 'JSON' })
     .done(data => {
       $chartContainer.show()
 
@@ -53,7 +53,7 @@ export function createCoinBalanceHistoryChart (el) {
               },
               scaleLabel: {
                 display: true,
-                labelString: window.localized['Ether']
+                labelString: window.localized.Ether
               }
             }]
           }
diff --git a/apps/block_scout_web/assets/js/lib/currency.js b/apps/block_scout_web/assets/js/lib/currency.js
index f0491661c2..6d3022625f 100644
--- a/apps/block_scout_web/assets/js/lib/currency.js
+++ b/apps/block_scout_web/assets/js/lib/currency.js
@@ -45,6 +45,7 @@ export function formatAllUsdValues (root) {
 formatAllUsdValues()
 
 function tryUpdateCalculatedUsdValues (el, usdExchangeRate = el.dataset.usdExchangeRate) {
+  // eslint-disable-next-line no-prototype-builtins
   if (!el.dataset.hasOwnProperty('weiValue')) return
   const ether = weiToEther(el.dataset.weiValue)
   const usd = etherToUSD(ether, usdExchangeRate)
@@ -63,6 +64,6 @@ export function updateAllCalculatedUsdValues (usdExchangeRate) {
 }
 updateAllCalculatedUsdValues()
 
-export const exchangeRateChannel = socket.channel(`exchange_rate:new_rate`)
+export const exchangeRateChannel = socket.channel('exchange_rate:new_rate')
 exchangeRateChannel.join()
 exchangeRateChannel.on('new_rate', (msg) => updateAllCalculatedUsdValues(humps.camelizeKeys(msg).exchangeRate.usdValue))
diff --git a/apps/block_scout_web/assets/js/lib/indexing.js b/apps/block_scout_web/assets/js/lib/indexing.js
index dabd891df0..be410da5b8 100644
--- a/apps/block_scout_web/assets/js/lib/indexing.js
+++ b/apps/block_scout_web/assets/js/lib/indexing.js
@@ -20,6 +20,6 @@ export function updateIndexStatus (msg = {}) {
 }
 updateIndexStatus()
 
-const indexingChannel = socket.channel(`blocks:indexing`)
+const indexingChannel = socket.channel('blocks:indexing')
 indexingChannel.join()
 indexingChannel.on('index_status', (msg) => updateIndexStatus(humps.camelizeKeys(msg)))
diff --git a/apps/block_scout_web/assets/js/lib/market_history_chart.js b/apps/block_scout_web/assets/js/lib/market_history_chart.js
index 098faac0a8..568e8eddb4 100644
--- a/apps/block_scout_web/assets/js/lib/market_history_chart.js
+++ b/apps/block_scout_web/assets/js/lib/market_history_chart.js
@@ -61,7 +61,7 @@ const config = {
       mode: 'index',
       intersect: false,
       callbacks: {
-        label: ({datasetIndex, yLabel}, {datasets}) => {
+        label: ({ datasetIndex, yLabel }, { datasets }) => {
           const label = datasets[datasetIndex].label
           if (datasets[datasetIndex].yAxisID === 'price') {
             return `${label}: ${formatUsdValue(yLabel)}`
@@ -77,14 +77,14 @@ const config = {
 }
 
 function getPriceData (marketHistoryData) {
-  return marketHistoryData.map(({ date, closingPrice }) => ({x: date, y: closingPrice}))
+  return marketHistoryData.map(({ date, closingPrice }) => ({ x: date, y: closingPrice }))
 }
 
 function getMarketCapData (marketHistoryData, availableSupply) {
   if (availableSupply !== null && typeof availableSupply === 'object') {
-    return marketHistoryData.map(({ date, closingPrice }) => ({x: date, y: closingPrice * availableSupply[date]}))
+    return marketHistoryData.map(({ date, closingPrice }) => ({ x: date, y: closingPrice * availableSupply[date] }))
   } else {
-    return marketHistoryData.map(({ date, closingPrice }) => ({x: date, y: closingPrice * availableSupply}))
+    return marketHistoryData.map(({ date, closingPrice }) => ({ x: date, y: closingPrice * availableSupply }))
   }
 }
 
@@ -102,7 +102,7 @@ if (localStorage.getItem('current-color-mode') === 'dark') {
 class MarketHistoryChart {
   constructor (el, availableSupply, marketHistoryData) {
     this.price = {
-      label: window.localized['Price'],
+      label: window.localized.Price,
       yAxisID: 'price',
       data: getPriceData(marketHistoryData),
       fill: false,
@@ -125,6 +125,7 @@ class MarketHistoryChart {
     config.data.datasets = [this.price, this.marketCap]
     this.chart = new Chart(el, config)
   }
+
   update (availableSupply, marketHistoryData) {
     this.price.data = getPriceData(marketHistoryData)
     if (this.availableSupply !== null && typeof this.availableSupply === 'object') {
@@ -147,7 +148,7 @@ export function createMarketHistoryChart (el) {
 
   const $chartError = $('[data-chart-error-message]')
   const chart = new MarketHistoryChart(el, 0, [])
-  $.getJSON(dataPath, {type: 'JSON'})
+  $.getJSON(dataPath, { type: 'JSON' })
     .done(data => {
       const availableSupply = JSON.parse(data.supply_data)
       const marketHistoryData = humps.camelizeKeys(JSON.parse(data.history_data))
diff --git a/apps/block_scout_web/assets/js/lib/modals.js b/apps/block_scout_web/assets/js/lib/modals.js
index fb19532540..2457452226 100644
--- a/apps/block_scout_web/assets/js/lib/modals.js
+++ b/apps/block_scout_web/assets/js/lib/modals.js
@@ -52,7 +52,7 @@ $(function () {
     const progressBackground = total - progress
 
     // eslint-disable-next-line no-unused-vars
-    let myChart = new Chart(stakeProgress, {
+    const myChart = new Chart(stakeProgress, {
       type: 'doughnut',
       data: {
         datasets: [{
diff --git a/apps/block_scout_web/assets/js/lib/network_selector.js b/apps/block_scout_web/assets/js/lib/network_selector.js
index 20c8e3d206..48648753bd 100644
--- a/apps/block_scout_web/assets/js/lib/network_selector.js
+++ b/apps/block_scout_web/assets/js/lib/network_selector.js
@@ -36,7 +36,7 @@ $(function () {
     window.location = $(this).attr('network-selector-item-url')
   })
 
-  let setNetworkTab = (currentTab) => {
+  const setNetworkTab = (currentTab) => {
     if (currentTab.hasClass('active')) return
 
     networkSelectorTab.removeClass('active')
@@ -45,31 +45,31 @@ $(function () {
     $(`[network-selector-tab="${currentTab.attr('network-selector-tab-filter')}"]`).addClass('active')
   }
 
-  let openNetworkSelector = () => {
+  const openNetworkSelector = () => {
     mainBody.addClass('network-selector-visible')
     networkSelectorOverlay.fadeIn(FADE_IN_DELAY)
     setNetworkSelectorVisiblePosition()
   }
 
-  let closeNetworkSelector = () => {
+  const closeNetworkSelector = () => {
     mainBody.removeClass('network-selector-visible')
     networkSelectorOverlay.fadeOut(FADE_IN_DELAY)
     setNetworkSelectorHiddenPosition()
   }
 
-  let getNetworkSelectorWidth = () => {
+  const getNetworkSelectorWidth = () => {
     return parseInt(networkSelector.css('width')) || parseInt(networkSelector.css('max-width'))
   }
 
-  let setNetworkSelectorHiddenPosition = () => {
-    return networkSelector.css({ 'right': `-${getNetworkSelectorWidth()}px` })
+  const setNetworkSelectorHiddenPosition = () => {
+    return networkSelector.css({ right: `-${getNetworkSelectorWidth()}px` })
   }
 
-  let setNetworkSelectorVisiblePosition = () => {
-    return networkSelector.css({ 'right': '0' })
+  const setNetworkSelectorVisiblePosition = () => {
+    return networkSelector.css({ right: '0' })
   }
 
-  let init = () => {
+  const init = () => {
     setNetworkSelectorHiddenPosition()
   }
 
diff --git a/apps/block_scout_web/assets/js/lib/pretty_json.js b/apps/block_scout_web/assets/js/lib/pretty_json.js
index 705b179b5a..33a921d743 100644
--- a/apps/block_scout_web/assets/js/lib/pretty_json.js
+++ b/apps/block_scout_web/assets/js/lib/pretty_json.js
@@ -1,8 +1,8 @@
 import $ from 'jquery'
 
 function prettyPrint (element) {
-  let jsonString = element.dataset.json
-  let pretty = JSON.stringify(JSON.parse(jsonString), undefined, 2)
+  const jsonString = element.dataset.json
+  const pretty = JSON.stringify(JSON.parse(jsonString), undefined, 2)
   element.innerHTML = pretty
 }
 
diff --git a/apps/block_scout_web/assets/js/pages/address.js b/apps/block_scout_web/assets/js/pages/address.js
index 4481408e7c..97f66d2483 100644
--- a/apps/block_scout_web/assets/js/pages/address.js
+++ b/apps/block_scout_web/assets/js/pages/address.js
@@ -102,7 +102,7 @@ const elements = {
   },
   '[data-selector="fetched-coin-balance-block-number"]': {
     load ($el) {
-      return {fetchedCoinBalanceBlockNumber: numeral($el.text()).value()}
+      return { fetchedCoinBalanceBlockNumber: numeral($el.text()).value() }
     },
     render ($el, state, oldState) {
       if (oldState.fetchedCoinBalanceBlockNumber === state.fetchedCoinBalanceBlockNumber) return
@@ -131,7 +131,7 @@ function loadCounters (store) {
 
   function fetchCounters () {
     $.getJSON(path)
-      .done(response => store.dispatch(Object.assign({type: 'COUNTERS_FETCHED'}, humps.camelizeKeys(response))))
+      .done(response => store.dispatch(Object.assign({ type: 'COUNTERS_FETCHED' }, humps.camelizeKeys(response))))
   }
 
   fetchCounters()
diff --git a/apps/block_scout_web/assets/js/pages/address/coin_balances.js b/apps/block_scout_web/assets/js/pages/address/coin_balances.js
index b4523a6c64..9570e8f560 100644
--- a/apps/block_scout_web/assets/js/pages/address/coin_balances.js
+++ b/apps/block_scout_web/assets/js/pages/address/coin_balances.js
@@ -47,7 +47,7 @@ if ($('[data-page="coin-balance-history"]').length) {
   const store = createAsyncLoadStore(reducer, initialState, 'dataset.blockNumber')
   const addressHash = $('[data-page="address-details"]')[0].dataset.pageAddressHash
 
-  store.dispatch({type: 'PAGE_LOAD', addressHash})
+  store.dispatch({ type: 'PAGE_LOAD', addressHash })
   connectElements({ store, elements })
 
   const addressChannel = socket.channel(`addresses:${addressHash}`, {})
diff --git a/apps/block_scout_web/assets/js/pages/address/internal_transactions.js b/apps/block_scout_web/assets/js/pages/address/internal_transactions.js
index 6c3d503256..5d4c65dd5e 100644
--- a/apps/block_scout_web/assets/js/pages/address/internal_transactions.js
+++ b/apps/block_scout_web/assets/js/pages/address/internal_transactions.js
@@ -34,7 +34,7 @@ export function reducer (state, action) {
       if (state.channelDisconnected || state.beyondPageOne) return state
 
       const incomingInternalTransactions = action.msgs
-        .filter(({toAddressHash, fromAddressHash}) => (
+        .filter(({ toAddressHash, fromAddressHash }) => (
           !state.filter ||
           (state.filter === 'to' && toAddressHash === state.addressHash) ||
           (state.filter === 'from' && fromAddressHash === state.addressHash)
@@ -81,7 +81,7 @@ if ($('[data-page="address-internal-transactions"]').length) {
   const store = createAsyncLoadStore(reducer, initialState, 'dataset.key')
   const addressHash = $('[data-page="address-details"]')[0].dataset.pageAddressHash
 
-  store.dispatch({type: 'PAGE_LOAD', addressHash})
+  store.dispatch({ type: 'PAGE_LOAD', addressHash })
   connectElements({ store, elements })
 
   const addressChannel = socket.channel(`addresses:${addressHash}`, {})
diff --git a/apps/block_scout_web/assets/js/pages/address/logs.js b/apps/block_scout_web/assets/js/pages/address/logs.js
index bf0c041b39..380d20b26e 100644
--- a/apps/block_scout_web/assets/js/pages/address/logs.js
+++ b/apps/block_scout_web/assets/js/pages/address/logs.js
@@ -16,7 +16,7 @@ export function reducer (state, action) {
       return Object.assign({}, state, omit(action, 'type'))
     }
     case 'START_SEARCH': {
-      return Object.assign({}, state, {pagesStack: [], isSearch: true})
+      return Object.assign({}, state, { pagesStack: [], isSearch: true })
     }
     default:
       return state
@@ -63,19 +63,21 @@ if ($('[data-page="address-logs"]').length) {
 
   store.dispatch({
     type: 'PAGE_LOAD',
-    addressHash: addressHash})
+    addressHash: addressHash
+  })
 
   $element.on('click', '[data-search-button]', (event) => {
     store.dispatch({
       type: 'START_SEARCH',
-      addressHash: addressHash})
+      addressHash: addressHash
+    })
     var topic = $('[data-search-field]').val()
     var path = '/search_logs?topic=' + topic + '&address_id=' + store.getState().addressHash
-    store.dispatch({type: 'START_REQUEST'})
-    $.getJSON(path, {type: 'JSON'})
-      .done(response => store.dispatch(Object.assign({type: 'ITEMS_FETCHED'}, humps.camelizeKeys(response))))
-      .fail(() => store.dispatch({type: 'REQUEST_ERROR'}))
-      .always(() => store.dispatch({type: 'FINISH_REQUEST'}))
+    store.dispatch({ type: 'START_REQUEST' })
+    $.getJSON(path, { type: 'JSON' })
+      .done(response => store.dispatch(Object.assign({ type: 'ITEMS_FETCHED' }, humps.camelizeKeys(response))))
+      .fail(() => store.dispatch({ type: 'REQUEST_ERROR' }))
+      .always(() => store.dispatch({ type: 'FINISH_REQUEST' }))
   })
 
   $element.on('click', '[data-cancel-search-button]', (event) => {
diff --git a/apps/block_scout_web/assets/js/pages/address/transactions.js b/apps/block_scout_web/assets/js/pages/address/transactions.js
index ecd604e2d5..268e821a16 100644
--- a/apps/block_scout_web/assets/js/pages/address/transactions.js
+++ b/apps/block_scout_web/assets/js/pages/address/transactions.js
@@ -32,12 +32,12 @@ export function reducer (state, action) {
         return state
       }
 
-      return Object.assign({}, state, { items: [ action.msg.transactionHtml, ...state.items ] })
+      return Object.assign({}, state, { items: [action.msg.transactionHtml, ...state.items] })
     }
     case 'RECEIVED_NEW_REWARD': {
       if (state.channelDisconnected) return state
 
-      return Object.assign({}, state, { items: [ action.msg.rewardHtml, ...state.items ] })
+      return Object.assign({}, state, { items: [action.msg.rewardHtml, ...state.items] })
     }
     default:
       return state
diff --git a/apps/block_scout_web/assets/js/pages/blocks.js b/apps/block_scout_web/assets/js/pages/blocks.js
index 4d9bdc05d9..fee805bbbb 100644
--- a/apps/block_scout_web/assets/js/pages/blocks.js
+++ b/apps/block_scout_web/assets/js/pages/blocks.js
@@ -91,7 +91,7 @@ if ($blockListPage.length || $uncleListPage.length || $reorgListPage.length) {
   )
   connectElements({ store, elements })
 
-  const blocksChannel = socket.channel(`blocks:new_block`, {})
+  const blocksChannel = socket.channel('blocks:new_block', {})
   blocksChannel.join()
   blocksChannel.onError(() => store.dispatch({
     type: 'CHANNEL_DISCONNECTED'
diff --git a/apps/block_scout_web/assets/js/pages/chain.js b/apps/block_scout_web/assets/js/pages/chain.js
index 30e982553c..f1bd651332 100644
--- a/apps/block_scout_web/assets/js/pages/chain.js
+++ b/apps/block_scout_web/assets/js/pages/chain.js
@@ -264,21 +264,21 @@ if ($chainDetailsPage.length) {
     msg: humps.camelizeKeys(msg)
   }))
 
-  const addressesChannel = socket.channel(`addresses:new_address`)
+  const addressesChannel = socket.channel('addresses:new_address')
   addressesChannel.join()
   addressesChannel.on('count', msg => store.dispatch({
     type: 'RECEIVED_NEW_ADDRESS_COUNT',
     msg: humps.camelizeKeys(msg)
   }))
 
-  const blocksChannel = socket.channel(`blocks:new_block`)
+  const blocksChannel = socket.channel('blocks:new_block')
   blocksChannel.join()
   blocksChannel.on('new_block', msg => store.dispatch({
     type: 'RECEIVED_NEW_BLOCK',
     msg: humps.camelizeKeys(msg)
   }))
 
-  const transactionsChannel = socket.channel(`transactions:new_transaction`)
+  const transactionsChannel = socket.channel('transactions:new_transaction')
   transactionsChannel.join()
   transactionsChannel.on('transaction', batchChannel((msgs) => store.dispatch({
     type: 'RECEIVED_NEW_TRANSACTION_BATCH',
@@ -288,11 +288,11 @@ if ($chainDetailsPage.length) {
 
 function loadTransactions (store) {
   const path = store.getState().transactionsPath
-  store.dispatch({type: 'START_TRANSACTIONS_FETCH'})
+  store.dispatch({ type: 'START_TRANSACTIONS_FETCH' })
   $.getJSON(path)
-    .done(response => store.dispatch({type: 'TRANSACTIONS_FETCHED', msg: humps.camelizeKeys(response)}))
-    .fail(() => store.dispatch({type: 'TRANSACTIONS_FETCH_ERROR'}))
-    .always(() => store.dispatch({type: 'FINISH_TRANSACTIONS_FETCH'}))
+    .done(response => store.dispatch({ type: 'TRANSACTIONS_FETCHED', msg: humps.camelizeKeys(response) }))
+    .fail(() => store.dispatch({ type: 'TRANSACTIONS_FETCH_ERROR' }))
+    .always(() => store.dispatch({ type: 'FINISH_TRANSACTIONS_FETCH' }))
 }
 
 function bindTransactionErrorMessage (store) {
@@ -325,14 +325,14 @@ export function placeHolderBlock (blockNumber) {
 function loadBlocks (store) {
   const url = store.getState().blocksPath
 
-  store.dispatch({type: 'START_BLOCKS_FETCH'})
+  store.dispatch({ type: 'START_BLOCKS_FETCH' })
 
   $.getJSON(url)
     .done(response => {
-      store.dispatch({type: 'BLOCKS_FETCHED', msg: humps.camelizeKeys(response)})
+      store.dispatch({ type: 'BLOCKS_FETCHED', msg: humps.camelizeKeys(response) })
     })
-    .fail(() => store.dispatch({type: 'BLOCKS_REQUEST_ERROR'}))
-    .always(() => store.dispatch({type: 'BLOCKS_FINISH_REQUEST'}))
+    .fail(() => store.dispatch({ type: 'BLOCKS_REQUEST_ERROR' }))
+    .always(() => store.dispatch({ type: 'BLOCKS_FINISH_REQUEST' }))
 }
 
 function bindBlockErrorMessage (store) {
diff --git a/apps/block_scout_web/assets/js/pages/pending_transactions.js b/apps/block_scout_web/assets/js/pages/pending_transactions.js
index 711f7c4343..d7cf76de43 100644
--- a/apps/block_scout_web/assets/js/pages/pending_transactions.js
+++ b/apps/block_scout_web/assets/js/pages/pending_transactions.js
@@ -102,7 +102,7 @@ if ($transactionPendingListPage.length) {
   const store = createAsyncLoadStore(reducer, initialState, 'dataset.identifierHash')
   connectElements({ store, elements })
 
-  const transactionsChannel = socket.channel(`transactions:new_transaction`)
+  const transactionsChannel = socket.channel('transactions:new_transaction')
   transactionsChannel.join()
   transactionsChannel.onError(() => store.dispatch({
     type: 'CHANNEL_DISCONNECTED'
@@ -118,7 +118,7 @@ if ($transactionPendingListPage.length) {
     }), 1000)
   })
 
-  const pendingTransactionsChannel = socket.channel(`transactions:new_pending_transaction`)
+  const pendingTransactionsChannel = socket.channel('transactions:new_pending_transaction')
   pendingTransactionsChannel.join()
   pendingTransactionsChannel.onError(() => store.dispatch({
     type: 'CHANNEL_DISCONNECTED'
diff --git a/apps/block_scout_web/assets/js/pages/token_counters.js b/apps/block_scout_web/assets/js/pages/token_counters.js
index 42f8b38792..2aeadd3f67 100644
--- a/apps/block_scout_web/assets/js/pages/token_counters.js
+++ b/apps/block_scout_web/assets/js/pages/token_counters.js
@@ -68,11 +68,11 @@ function loadCounters (store) {
   const $element = $('[data-async-counters]')
   const path = $element.data() && $element.data().asyncCounters
   function fetchCounters () {
-    store.dispatch({type: 'START_REQUEST'})
+    store.dispatch({ type: 'START_REQUEST' })
     $.getJSON(path)
-      .done(response => store.dispatch(Object.assign({type: 'COUNTERS_FETCHED'}, humps.camelizeKeys(response))))
-      .fail(() => store.dispatch({type: 'REQUEST_ERROR'}))
-      .always(() => store.dispatch({type: 'FINISH_REQUEST'}))
+      .done(response => store.dispatch(Object.assign({ type: 'COUNTERS_FETCHED' }, humps.camelizeKeys(response))))
+      .fail(() => store.dispatch({ type: 'REQUEST_ERROR' }))
+      .always(() => store.dispatch({ type: 'FINISH_REQUEST' }))
   }
 
   fetchCounters()
diff --git a/apps/block_scout_web/assets/js/pages/transaction.js b/apps/block_scout_web/assets/js/pages/transaction.js
index 139d1f527c..144b613022 100644
--- a/apps/block_scout_web/assets/js/pages/transaction.js
+++ b/apps/block_scout_web/assets/js/pages/transaction.js
@@ -47,7 +47,7 @@ if ($transactionDetailsPage.length) {
   const store = createStore(reducer)
   connectElements({ store, elements })
 
-  const blocksChannel = socket.channel(`blocks:new_block`, {})
+  const blocksChannel = socket.channel('blocks:new_block', {})
   blocksChannel.join()
   blocksChannel.on('new_block', (msg) => store.dispatch({
     type: 'RECEIVED_NEW_BLOCK',
diff --git a/apps/block_scout_web/assets/js/pages/transactions.js b/apps/block_scout_web/assets/js/pages/transactions.js
index f528f760c4..61db30e147 100644
--- a/apps/block_scout_web/assets/js/pages/transactions.js
+++ b/apps/block_scout_web/assets/js/pages/transactions.js
@@ -85,7 +85,7 @@ if ($transactionListPage.length) {
 
   connectElements({ store, elements })
 
-  const transactionsChannel = socket.channel(`transactions:new_transaction`)
+  const transactionsChannel = socket.channel('transactions:new_transaction')
   transactionsChannel.join()
   transactionsChannel.onError(() => store.dispatch({
     type: 'CHANNEL_DISCONNECTED'
diff --git a/apps/block_scout_web/assets/js/pages/verification_form.js b/apps/block_scout_web/assets/js/pages/verification_form.js
index 10504c144c..1e10a289e8 100644
--- a/apps/block_scout_web/assets/js/pages/verification_form.js
+++ b/apps/block_scout_web/assets/js/pages/verification_form.js
@@ -67,7 +67,7 @@ const elements = {
           })
 
           $('.js-btn-add-contract-library').on('click', function () {
-            let nextContractLibrary = $('.js-contract-library-form-group.active').next('.js-contract-library-form-group')
+            const nextContractLibrary = $('.js-contract-library-form-group.active').next('.js-contract-library-form-group')
 
             if (nextContractLibrary) {
               nextContractLibrary.addClass('active')
@@ -130,7 +130,7 @@ if ($contractVerificationPage.length) {
     })
 
     $('.js-btn-add-contract-library').on('click', function () {
-      let nextContractLibrary = $('.js-contract-library-form-group.active').next('.js-contract-library-form-group')
+      const nextContractLibrary = $('.js-contract-library-form-group.active').next('.js-contract-library-form-group')
 
       if (nextContractLibrary) {
         nextContractLibrary.addClass('active')
diff --git a/apps/block_scout_web/assets/js/socket.js b/apps/block_scout_web/assets/js/socket.js
index 956345930d..3490157a8b 100644
--- a/apps/block_scout_web/assets/js/socket.js
+++ b/apps/block_scout_web/assets/js/socket.js
@@ -1,7 +1,7 @@
-import {Socket} from 'phoenix'
-import {locale} from './locale'
+import { Socket } from 'phoenix'
+import { locale } from './locale'
 
-const socket = new Socket('/socket', {params: {locale: locale}})
+const socket = new Socket('/socket', { params: { locale: locale } })
 socket.connect()
 
 export default socket