Code example JavaScript - Optimize loops

Code examples

var names = ['George', 'Ringo', 'Paul', 'John']; for(var i=0;i<names.length;i++){ doSomethingWith(names[i]); }

var names = ['George', 'Ringo', 'Paul', 'John']; for(var i=0,j=names.length;i<j;i++){ doSomethingWith(names[i]); }