<!
DOCTYPE?html?PUBLIC?"-//W3C//DTD?XHTML?1.0?Transitional//EN"?"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"
>
<
html?
xmlns
="http://www.w3.org/1999/xhtml"
>
<
head
>
????
<
title
>
jQuery?-?創(chuàng)建DOM模型
</
title
>
????
<
script?
src
="../Static/common/js/jquery-1.5.1.min.js"
?type
="text/javascript"
></
script
>
</
head
>
<
body
>
????
<!--
?頁面內(nèi)容部分??
-->
????
<
div?
id
="divMsg"
></
div
>
????
<
div?
id
="divHolder"
></
div
>
????
<!--
?尾部腳本塊?
-->
????
<
script?
type
="text/javascript"
>
????????
var
?thisPage?
=
?{
????????????initialize:?
function
()?{
//
加載時執(zhí)行
????????????????
this
.initializeDom();
????????????????
this
.initializeEvent();
????????????????
this
.createDom1();
????????????????
this
.createDom2();
????????????????
//
this.createDom3();
????????????},
????????????initializeDom:?
function
()?{
//
初始化DOM
????????????????
this
.holder?
=
?document.getElementById(
"
divHolder
"
);
????????????????
this
.divMsg?
=
?document.getElementById(
"
divMsg
"
);
????????????},
????????????initializeEvent:?
function
()?{
//
事件綁定
????????????},
????????????createDom1:?
function
()?{
????????????????
var
?startDate?
=
?
new
?Date();
????????????????
var
?builder?
=
?
new
?Array();
????????????????
for
?(
var
?i?
=
?
0
;?i?
<
?
100
;?i
++
)?{
????????????????????builder.push(
"
<div?style='width:100px;?height:20px;background-color:#eee'>test</div>
"
);
????????????????};
????????????????
this
.holder.innerHTML?
=
?builder.join(
""
);
????????????????
this
.divMsg.innerHTML?
+=
?
"
使用innerHTML耗時：
"
?
+
?(
new
?Date()?
-
?startDate);
????????????},
????????????createDom2:?
function
()?{
????????????????
var
?startDate?
=
?
new
?Date();
????????????????
for
?(
var
?i?
=
?
0
;?i?
<
?
100
;?i
++
)?{
????????????????????
var
?oDiv?
=
?document.createElement(
"
div
"
);
????????????????????
var
?oText?
=
?document.createTextNode(
"
text
"
);
????????????????????oDiv.appendChild(oText);
????????????????????
this
.holder.appendChild(oDiv);
????????????????????oDiv.style.width?
=
?
"
100px
"
;
????????????????????oDiv.style.height?
=
?
"
20px
"
;
????????????????????oDiv.style.backgroundColor?
=
?
"
#eee
"
;
????????????????};
????????????????
this
.divMsg.innerHTML?
+=
?
"
<br/>使用createElement耗時：
"
?
+
?(
new
?Date()?
-
?startDate);
????????????},
????????????createDom3:?
function
()?{
????????????????
var
?startDate?
=
?
new
?Date();
????????????????jQuery(
"
<span/>
"
).attr(
"
id
"
,?
"
mySpan
"
);
????????????????jQuery(
"
<span?style='width:100px;?height:20px;background-color:#eee'>test</span>
"
).appendTo(
this
.holder);
????????????},
????????????createDom4:?
function
()?{
????????????????jQuery(
"
<span>test</span><span>test</span><span>test</span><span>test</span>
"
).appendTo(
this
.holder);
????????????}
????????}
????????$(thisPage.initialize());??????????
????
</
script
>
</
body
>
</
html
>
jQuery(html,ownerDocument)函數(shù)用來創(chuàng)建DOM元素，并且以jQuery對象的形式返回：jQuery("<span/>").attr("id","mySpan");
即使用innerHtml的方式創(chuàng)建元素，在內(nèi)部也會首先使用document.createElement創(chuàng)建一個div元素，然后調(diào)用div的innerHtml方法。