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XML µÄ×÷ÓÃÊǸñʽ»¯Êý¾ÝÄÚÈÝ¡£Èç¹ûÎÒÃDz»ÓÃXML»¹ÓÐʲô¸üºÃµÄ·½·¨Âð£¿Õâ¸ö´ð°¸ÊÇJSON¡£½éÉÜJSON֮ǰÎÒÏȽéÉÜÒ»ÏÂJavaScriptÕâÃŽű¾Óï ÑÔ¡£½Å±¾ÓïÑÔ×ÔÉíÓж¯Ì¬Ö´ÐеÄÌ츳¡£¼´ÎÒÃÇ¿ÉÒÔ°ÑÏëÒªÖ´ÐеÄÓï¾ä·ÅÔÚ×Ö·û´®Àͨ¹ýeval()Õâ¸ö¶¯Ì¬Ö´Ðк¯ÊýÀ´Ö´ÐС£×Ö·û´®ÀïµÄÄÚÈÝ»áÏñÎÒÃÇдµÄ½Å±¾ Ò»Ñù±»Ö´ÐС£
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<HTML>
<HEAD>
<TITLE>eval example 1</TITLE>
</HEAD>
<BODY>
<script>
str = "alert('hello')";
eval(str);
</script>
</BODY>
</HTML>
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<HTML>
<HEAD>
<TITLE>eval example 2</TITLE>
</HEAD>
<BODY>
<script>
define = "{name:'Michael',email:'17bity@gmail.com'}";
eval("data = "+define);
alert("name:"+data.name);
alert("email:"+data.email);
</script>
</BODY>
</HTML>
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<contact>
<friend>
<name>Michael</name>
<email>17bity@gmail.com</email>
<homepage>http://www.jialing.net</homepage>
</friend>
<friend>
<name>John</name>
<email>john@gmail.com</email>
<homepage>http://www.john.com</homepage>
</friend>
<friend>
<name>Peggy</name>
<email>peggy@gm


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