modify html element content

ex:

document.getElementById("abc").innerHTML = "aaaaa";

sort array

function sortNum(a, b)

{

return a.age - b.age;

}

function test2()

{

var a = new Array();

a[0] = new Object();

a[1] = new Object();

a[0].age = 22;

a[1].age = 13;

a.sort(sortNum);

document.write(a[0].age + " " + a[1].age);

}

--> output is 13, 22

hide html element

from javascript:

document.getElementById("abc").style.display = "none";

from html:

div id="DivLv" style="display: none"

include another javascript file from one javascript file