What's the difference between JavaScript and Java?
Oct 29, 2008 · Java classes cannot be redefined in a way that affects any existing object instances. JavaScript allows methods in an object to be redefined independently of its prototype (think …
javascript - What is the difference between "let" and "var"? - Stack ...
Apr 18, 2009 · If you're writing server-side JavaScript code (Node.js), you can safely use the let statement. If you're writing client-side JavaScript code and use a browser based transpiler (like …
Difference between == and === in JavaScript - Stack Overflow
Feb 7, 2009 · Usage of primitive strings, however, often results in coercing the strings into String objects, so the difference is subtle. If you were to assign new String() to two different objects, s1 and …
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 …
What's the difference between JavaScript and JScript?
Mar 12, 2018 · JScript and Javascript is TOTALLY different scripting languages. Javascript runs on the browser, but JScript can use ActiveX objects and has almost total control on your operating system if …
What's the difference between a JavaScript object and an …
Mar 4, 2020 · JavaScript objects are different from classical OO/UML (C++/Java/C# etc.) objects. In particular, they need not instantiate a class. And they can have their own (instance-level) methods in …
how is the 'this' keyword of javascript is different from 'this ...
Dec 23, 2013 · 7 JavaScript is a bit peculiar when it comes to the keyword "this". In JavaScript, functions are objects, and . In fact, just read the linked article to understand how JavaScript treats the "this" …
What is the difference between null and undefined in JavaScript?
Feb 22, 2011 · It should remove all your doubts regarding the difference between null and undefined in JavaScript. Also, you can use the utility function at the end of this answer to get more specific types …
Why is JavaScript called JavaScript, since it has nothing to do with Java?
Jan 7, 2010 · To accomodate the Java trend during that time there was an interface between LiveScript and Java called LiveConnect. This connection was intented to be expressed with the new name …
What is the difference between JavaScript and ECMAScript?
May 15, 2016 · To start from the beginning, JavaScript derived its name from Java and initially Brendan Eich (the creator of JS) was asked to develop a language that resembled Java for the web for …