About 149,000 results
Open links in new tab
  1. What's the difference between JavaScript and Java?

    Oct 28, 2008 · Here are some differences between the two languages: Java is a statically typed language; JavaScript is dynamic. Java is class-based; JavaScript is prototype-based. Java constructors are special functions that can only be called at object creation; JavaScript "constructors" are just standard functions.

  2. 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 idSele_UNVEHtype.value.

  3. What is the difference between JavaScript and ECMAScript?

    May 26, 2009 · 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?

  4. how is the 'this' keyword of javascript is different from 'this ...

    Dec 23, 2013 · In JavaScript this always refers to the “owner” of the function we're executing, or rather, to the object that a function is a method of. In Java, this refers to the current instance object on which the method is executed.

  5. Differences in regex patterns between JavaScript and Java?

    Dec 25, 2011 · Differences in regex patterns between JavaScript and Java? Asked 13 years, 6 months ago Modified 13 years, 6 months ago Viewed 7k times

  6. 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 the right-hand side:

  7. 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 increase to raw V8 vs. Java 7 performance but rather to the implementation.

  8. Which has higher performance java or javascript?

    Sep 24, 2010 · Since now javascript gets compiled to machine code by browsers. I was wondering which programming language gets better performance between java and javascript. I'm thinking of writing a 3d browse...

  9. What's the difference between JavaScript and JScript?

    Sep 25, 2008 · 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 implementation of Netscape's JavaScript. JScript is a high-performance scripting language designed to create active online content for the World Wide Web.

  10. What's the difference between a JavaScript object and an …

    Mar 4, 2020 · In standard OO, as defined by UML, and instantiated, e.g., by Java and C#, there is a certain concept of objects as instances of classes. What's the difference between this classical concept of objects and a JavaScript object?