Which equals operator (== vs ===) should be used in JavaScript ...
Dec 11, 2008 · I'm using JSLint to go through JavaScript, and it's returning many suggestions to replace == (two equals signs) with === (three equals signs) when doing things like comparing …
How to read a local text file in the browser? - Stack Overflow
Learn how to read a local text file in the browser using JavaScript and HTML5 File API.
javascript - Fetch API request timeout? - Stack Overflow
Oct 26, 2017 · I have a fetch-api POST request: fetch(url, { method: 'POST', body: formData, credentials: 'include' }) I want to know what is the default timeout for this? and how can we set …
Wait 5 seconds before executing next line - Stack Overflow
This function below doesn’t work like I want it to; being a JS novice I can’t figure out why. I need it to wait 5 seconds before checking whether the newState is -1. Currently, it doesn’t wait, i...
javascript - Get the value of checked checkbox? - Stack Overflow
Jul 22, 2012 · Learn how to get the value of a checked checkbox using JavaScript or jQuery.
How to measure time taken by a function to execute
Nov 24, 2008 · All modern browsers have JavaScript profilers built-in. These profilers should give the most accurate measurement as you do not have to modify your existing code, which could …
javascript - Using async/await with a forEach loop - Stack Overflow
Jun 2, 2016 · Are there any issues with using async/await in a forEach loop? I'm trying to loop through an array of files and await on the contents of each file. import fs from 'fs-promise' …
How to sort an object array by date property? - Stack Overflow
May 12, 2017 · Say I have an array of a few objects: var array = [{id: 1, date: Mar 12 2012 10:00:00 AM}, {id: 2, date: Mar 8 2012 08:00:00 AM}]; How can I sort this array by the date …
How do I test for an empty JavaScript object? - Stack Overflow
Mar 25, 2009 · I think javascript should create something to check whether an object is empty or add length property to the object.
javascript - ECMAScript 6 arrow function that returns an object
When returning an object from an arrow function, it seems that it is necessary to use an extra set of {} and a return keyword because of an ambiguity in the grammar. That means I can’t write p …