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[frontend]: fix global scope, change var to let

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This commit is contained in:
Jesús
2021-12-16 17:46:16 -05:00
parent dd498e63d9
commit df7e41b61a
7 changed files with 87 additions and 84 deletions
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24
youtube/static/js/common.js
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@@ -1,16 +1,19 @@
const Q = document.querySelector.bind(document);
const QA = document.querySelectorAll.bind(document);
const QId = document.getElementById.bind(document);
let seconds,
minutes,
hours;
function text(msg) { return document.createTextNode(msg); }
function clearNode(node) { while (node.firstChild) node.removeChild(node.firstChild); }
function toTimestamp(seconds) {
var seconds = Math.floor(seconds);
seconds = Math.floor(seconds);
var minutes = Math.floor(seconds/60);
var seconds = seconds % 60;
minutes = Math.floor(seconds/60);
seconds = seconds % 60;
var hours = Math.floor(minutes/60);
var minutes = minutes % 60;
hours = Math.floor(minutes/60);
minutes = minutes % 60;
if (hours) {
return `0${hours}:`.slice(-3) + `0${minutes}:`.slice(-3) + `0${seconds}`.slice(-2);
@@ -18,8 +21,7 @@ function toTimestamp(seconds) {
return `0${minutes}:`.slice(-3) + `0${seconds}`.slice(-2);
}
var cur_track_idx = 0;
let cur_track_idx = 0;
function getActiveTranscriptTrackIdx() {
let textTracks = QId("js-video-player").textTracks;
if (!textTracks.length) return;
@@ -39,7 +41,7 @@ function getDefaultTranscriptTrackIdx() {
}
function doXhr(url, callback=null) {
var xhr = new XMLHttpRequest();
let xhr = new XMLHttpRequest();
xhr.open("GET", url);
xhr.onload = (e) => {
callback(e.currentTarget.response);
@@ -50,7 +52,7 @@ function doXhr(url, callback=null) {
// https://stackoverflow.com/a/30810322
function copyTextToClipboard(text) {
var textArea = document.createElement("textarea");
let textArea = document.createElement("textarea");
//
// *** This styling is an extra step which is likely not required. ***
@@ -97,8 +99,8 @@ function copyTextToClipboard(text) {
textArea.select();
try {
var successful = document.execCommand('copy');
var msg = successful ? 'successful' : 'unsuccessful';
let successful = document.execCommand('copy');
let msg = successful ? 'successful' : 'unsuccessful';
console.log('Copying text command was ' + msg);
} catch (err) {
console.log('Oops, unable to copy');