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function
matchDemo(){
   var s;
   var re = new RegExp("d(b+)(d)","ig");
 
 var str = "cdbBdbsbdbdz";
   var arr = re.exec(str);
   s = "$1
contains: " + RegExp.$1 + "\n";
   s += "$2 contains: " + RegExp.$2 +
"\n";
   s += "$3 contains: " + RegExp.$3;
   return(s);
}


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[·­Òë]High Performance JavaScript(033)

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    When web pages or applications begin to feel slow, analyzing assets as they come over the wire and profiling scripts while they are running allows you to focus your optimization efforts where they are needed most.
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JavaScript±à³Ì±Ê¼Ç

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<script>
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function isNumeric(strNumber) {
var newPar=/^(-|\+)?\d+(\.\d+)?$/
alert(newPar.test(strNumber)); }
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jLayout — JavaScript Layout Algorithms


The jLayout JavaScript library provides layout algorithms for laying out components. A component is an abstraction; it can be implemented in many ways, for example as items in a HTML5 Canvas drawing or as HTML elements. The jLayout library allows you to focus on drawing the individual components i ......

javascript String.replaceº¯Êý

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var src="<a href=&quot;http://xx.com/a/2010 ......
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