What's the difference between JavaScript and Java?
Oct 29, 2008 · JavaScript is an object-oriented scripting language that allows you to create dynamic HTML pages, allowing you to process input data and maintain data, usually within the browser. Java …
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 · Netscape Navigator is designed to interpret JavaScript embedded into Web pages. JavaScript is independent of Sun Microsystem's Java language. Microsoft JScript is an open …
How fast is Javascript compared to Java? - Stack Overflow
Sep 16, 2010 · The Javascript-based server is able to calc through 2.4k trades/sec whereas the Java server handles 400+/sec on the same hardware using less memory. I wouldn't attribute the speed …
What is the difference between JavaScript and ECMAScript?
May 15, 2016 · What's the difference between ECMAScript and JavaScript? From what I've deduced, ECMAScript is the standard and JavaScript is the implementation. Is this correct?
javascript - When should I use ?? (nullish coalescing) vs || (logical ...
The nullish coalescing operator (??) in JavaScript only considers null or undefined as "nullish" values. If the left-hand side is any other value, even falsy values like "" (empty string), 0, or false, it will not use …
Why is JavaScript called JavaScript, since it has nothing to do with Java?
Jan 7, 2010 · Java is to Javascript what Car is to Carpet. "The language's name is the result of a co-marketing deal between Netscape and Sun, in exchange for Netscape bundling Sun's Java runtime …
What are the differences between JSON and JavaScript object?
Oct 20, 2010 · A JavaScript object is just an object in JavaScript. With JSON being a data interchange format you can exchange structured data in a textual form with it. It is pretty decoupled from …
Difference between java and JavaScript for loop - Stack Overflow
Jul 7, 2021 · In the JavaScript, you're setting the entire contents of the demo1 container to the new string. At the end of the iterations, the element only contains the final value in the string. In contrast, …
javascript - What is the difference between "let" and "var"? - Stack ...
Apr 18, 2009 · Scoping rules The main difference is scoping rules. Variables declared by var keyword are scoped to the immediate function body (hence the function scope) while let variables are scoped …