Javascript is a very popular scripting language used in almost all web applications. Due to the fast technological growth, you can now download and run Javascript code right on your mobile device, ...

It is best known for its interactive API and helps download a webpage comfortably. Plus, JavaScript is used to work with arrays, text, regular expressions, dates and the primary manipulation of DOM.

Next, the compiler translates that optimized IR into machine code, making for speedier JavaScript execution. According to Mozilla, FF18 offers a 7-28 percent bump in performance over FF17.

Firefox 22 download available now, adds super-fast JavaScript Mozilla isn't giving up. The new version of Firefox incorporates asm.js to speed up JavaScript dramatically, but that's not all.