????????

WEB±ê×?
WEB±ê×???????????±ê×?????????????±ê×??????????????÷????????·?×é?????á???¨Structure????±í???¨Presentation?????????¨behavior??????????±ê×???·???·??????á????±ê×??????÷??°ü?¨XHTML??XML??±í??±ê×??????÷??°ü?¨CSS??????±ê×??÷??°ü?¨???ó?????¨??W3C DOM????ECMAScript????????±ê×??ó??·???W3C??????·???????????????????±ê×?×é????????±ê×???±???ECMA?¨European Computer Manufacturers Association????ECMAScript±ê×??????????ò??????????????±ê×???

1???á??±ê×?????
?¨1??XML

XML??The Extensible Markup Language(??????±ê??????)???ò???????°????×???????W3C??2000?ê10??6??·?????XML1.0???????¨www.w3.org/TR/2000/REC-XML-20001006??????HTML???ù??XML???ù??????SGML????XML?????????¨????????????????XML×????è??????????????HTML????×????????ó?????????ú×?????????·??????è?????ó????????????????????×??????è????????XML??????????????·??????????????à???????????????à×????????????à?é????????????

?¨2??XHTML

XHTML??The Extensible HyperText Markup Language??????±ê?????????????????°????×???????W3C??2000?ê1??26??????XML1.0?¨????http://www.w3.org/TR/xhtml1????XML????????×??????????ó???ê?????????úHTML???????????§???ò?????????????±??????XML?????±???????ò??????????HTML4.0???ù????????XML?????ò????????????????????XHTML???ò?????????¨??XHTML??????????????HTML?òXML????????

2. ±í??±ê×?????
CSS??Cascading Style Sheets?????ù??±í???????????°????×???????W3C??1998?ê5??12??????CSS2?¨????http://www.w3.org/TR/CSS2/????W3C???¨CSS±ê×???????????CSS???úHTML±í??????????????????±í????????????CSS???????á????XHTML?à?á????°??ú?è????·??????????á????????????·????°???¤?ü?????×??

3.????±ê×?
?¨1??DOM

DOM??Document Object Model???????ó?????????????ù??W3C DOM??·??¨http://www.w3.org/DOM/????DOM?????????????÷?????¨????????????????????????·?????????????±ê×?×é?????ò???í????DOM??????Netscaped??Javascript??Microsoft??Jscript???????????????èweb?è????????·???????±ê×???·?·¨??????????·???????????????????????±???±í??????????

(2) ECMAScript

ECMAScript??ECMA(European Computer Manufacturers Association)???¨??±ê×???±??????¨JAVAScript???????°????×???????ECMAScript 262?¨http://www.ecma.ch/ecma1/STAND/ECMA-262.HTM????