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1 ´´½¨½Å±¾¿é
1: <script language=”JavaScript”>
2: JavaScript code goes here
3: </script>
2 Òþ²Ø½Å±¾´úÂë
1: <script language=”JavaScript”>
2: <!--
3: document.write(“Hello”);
4: // -->
5: </script>
ÔÚ²»Ö§³ÖJavaScriptµÄä¯ÀÀÆ÷Öн«²»Ö´ÐÐÏà¹Ø´úÂë
3 ä¯ÀÀÆ÷²»Ö§³ÖµÄʱºòÏÔʾ
1: <noscript>
2: Hello to the non-JavaScript browser.
3: </noscript>
4 Á´½ÓÍⲿ½Å±¾Îļþ
1: <script language=”JavaScript” src="/”filename.js"”></script>
5 ×¢Êͽű¾
1: // This is a comment
2: document.write(“Hello”); // This is a comment
3: /*
4: All of this
5: is a comment
6: */
6 Êä³öµ½ä¯ÀÀÆ÷
1: document.write(“<strong>Hello</strong>”);
7 ¶¨Òå±äÁ¿
1: var myVariable = “some value”;
8 ×Ö·û´®Ïà¼Ó
1: var myString = “String1” + “String2”;
9 ×Ö·û´®ËÑË÷
1: <script language=”JavaScript”>
2: <!--
3: var myVariable = “Hello there”;
4: var therePlace = myVariable.search(“there”);
5: document.write(therePlace);
6: // -->
7: </script>
10 ×Ö·û´®Ìæ»»
1: thisVar.replace(“Monday”,”Friday”);
11 ¸ñʽ»¯×Ö´®
1: <script language=”JavaScript”>
2: <!--
3: var myVariable = “Hello there”;
4: docum


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1.document.write("Êä³öÄÚÈÝ");ΪÊä³öÓï¾ä
2.JSÖеÄ×¢ÊÍΪµ¥ÐÐ//ºÍ¶àÐÐ/**/
3.´«Í³µÄHTMLÎĵµË³ÐòÊÇ:document->html->(head,body)
4.Ò»¸öä¯ÀÀÆ÷´°¿ÚÖеÄDOM˳ÐòÊÇ:window->(navigator,screen,history,location,docume ......

javascript Ö® Closure

http://javascript.crockford.com/private.html
function a() {
var i = 0;
function b() {
alert(++i);
}
return b;
}
var c = a();
c();
 
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javascriptÕÚÕÖ²ã(ת×Ôwww.cnblogs.com/wjfluisfigo)

//»ñÈ¡ä¯ÀÀÆ÷µÄ¿íºÍ¸ß£¨¶àÖÖä¯ÀÀÆ÷£©
function getNavWidthandHeightInfo()
{
    var s = "";
    s += " ÍøÒ³¿É¼ûÇøÓò¿í£º"+ document.body.clientWidth;
    s += " ÍøÒ³¿É¼ûÇøÓò¸ß£º"+  ......

javascript sort table & merge same column

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appendChild()
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1 appendChild() ±í¸ñÖÐËùÓÐÐÐÑ­»·ÉÏÒÆÒ»ÐÐºó£¬ ÓÃеģ¨ÐУ©Ìæ»»ÁË ±í¸ñµÄÄ©ÐÐ £»Ï൱ÓÚÌæ»»Á˱í¸ñµÄµÚÒ»ÐУ¬²¢Ñ­»·ÉÏÒÆÒ»ÐÐ
2 ²»¸Ä±ä ±í¸ñµÄ×Ü ÐÐÊý
insertRow()
1 insertRow() ÔÚ±í¸ñÖвåÈëÒ»ÐУ¬±í¸ñ×ÜÐÐÊéÔöÒ»
2 insertRow(index) index=0 , ÔÚ±íÍ·Ôö¼Ó£¬ index=-1, ÔÚ± ......

JavaScript Ìí¼Óɾ³ý checkbox

<html>
<body>
<table width="200" border="1" id="tb">
<tr id="r1">
<td><input type="checkbox" name="ck" value="1"></td>
<td>abc</td>
</tr>
</table>
<p>
<input type="button" onClick="add();" value="add"/> ......
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