Array Array definition and sort method usage example in js_javascript skills

Array array is equivalent to ArrayList in java

definition method:

1: Use new Array(5

) to create array var ary = new Array (5);

2: Use Json syntax, var ary = [1,3,4];

Array sorting:

Example:

Copy code The code is as follows:

function sort(){

var ary=[11,12,3,5,29];

ary.sort(); // Sort by character encoding 11,12,29,3,5;

alert( ary.toString());

ary.sort(function(v1,v2){

return v1-v2;//Custom sorting rules 3,5,11,12,29

});

alert(ary.toString());

}