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, ...

This more efficient approach to downloading JavaScript and CSS is called conditionally loading. That means to download them when they are needed and not downloading if they are not needed.

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.

With JavaScript, the downloading webpage is very easy, but you would have to learn some codes and understand the programming syntax.