Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

ajax»ù´¡¶ÁÊé±Ê¼Ç µÚÈýÕ£¨·¢ËÍÇëÇóÓë´¦ÀíÏìÓ¦£©

ͨ¹ýXMLHttpRequest.responseXML;
½«ÏìÓ¦½âÎöΪXML
»ñµÃ¶ÔÏóÓÐÏÂÃæµÄÊôÐԺͷ½·¨
±í3-1  ÓÃÓÚ´¦ÀíXMLÎĵµµÄDOMÔªËØÊôÐÔ
ÊôÐÔÃû
 ÃèÊö
 
childNodes
 ·µ»Øµ±Ç°ÔªËØËùÓÐ×ÓÔªËØµÄÊý×é
 
firstChild
 ·µ»Øµ±Ç°ÔªËصĵÚÒ»¸öϼ¶×ÓÔªËØ
 
lastChild
 ·µ»Øµ±Ç°ÔªËصÄ×îºóÒ»¸ö×ÓÔªËØ
 
nextSibling
 ·µ»Ø½ô¸úÔÚµ±Ç°ÔªËغóÃæµÄÔªËØ
 
nodeValue
 Ö¸¶¨±íÊ¾ÔªËØÖµµÄ¶Á/дÊôÐÔ
 
parentNode
 ·µ»ØÔªËصĸ¸½Úµã
 
previousSibling
 ·µ»Ø½ôÁÚµ±Ç°ÔªËØÖ®Ç°µÄÔªËØ
 
±í3-2¡¡ÓÃÓÚ±éÀúXMLÎĵµµÄDOMÔªËØ·½·¨
·½·¨Ãû
 ÃèÊö
 
getElementById(id) (document)
 »ñÈ¡ÓÐÖ¸¶¨Î©Ò»IDÊôÐÔÖµÎĵµÖеÄÔªËØ
 
getElementsByTagName(name)
 ·µ»Øµ±Ç°ÔªËØÖÐÓÐÖ¸¶¨±ê¼ÇÃûµÄ×ÓÔªËØµÄÊý×é
 
hasChildNodes()
 ·µ»ØÒ»¸ö²¼¶ûÖµ£¬Ö¸Ê¾ÔªËØÊÇ·ñÓÐ×ÓÔªËØ
 
getAttribute(name)
 ·µ»ØÔªËصÄÊôÐÔÖµ£¬ÊôÐÔÓÉnameÖ¸¶¨
ÏÂÃæ¿´Ò»¸öʵÀý
ÃæµÄÀý×Ó¿ÉÒÔ¿´µ½£¬Ê¹ÓÃ×ñÑ­W3C DOMµÄJavaScriptÀ´¶ÁÈ¡XMLÎĵµÊǺεȼòµ¥¡£´úÂëÇåµ¥3-3ÏÔʾÁË·þÎñÆ÷Ïòä¯ÀÀÆ÷·µ»ØµÄXMLÎĵµµÄÄÚÈÝ¡£ÕâÊÇÒ»¸ö¼òµ¥µÄÃÀ¹úÖÝÃûÁÐ±í£¬¸÷¸öÖݰ´µØÇø»®·Ö¡£
´úÂëÇåµ¥3-3  ·þÎñÆ÷·µ»ØµÄÃÀ¹úÖÝÃûÁбí
ÕâÀïÊǸöxml
<?xml version="1.0" encoding="UTF-8"?>
<states>
    <north>
        <state>Minnesota</state>
        <state>Iowa</state>
        <state>North Dakota</state>
    </north>
    <south>
        <state>Texas</state>
        <state>Oklahoma</state>
        <state>Louisiana</state>
    </south>
    <east>
        <state>New York</state>
        <state>North Carolina</st


Ïà¹ØÎĵµ£º

AjaxµÄÔ­ÀíºÍÓ¦ÓÃ

¹ØÓÚajaxµÄÃû×Ö
    ajax µÄÈ«³ÆÊÇAsynchronous JavaScript and XML£¬ÆäÖУ¬Asynchronous ÊÇÒì²½µÄÒâ˼£¬ËüÓбðÓÚ´«Í³web¿ª·¢ÖвÉÓõÄͬ²½µÄ·½Ê½¡£
¹ØÓÚͬ²½ºÍÒì²½
 
Òì²½´«ÊäÊÇÃæÏò×Ö·ûµÄ´«Ê䣬ËüµÄµ¥Î»ÊÇ×Ö·û£»¶øÍ¬²½´«ÊäÊÇÃæÏò±ÈÌØµÄ´«Ê䣬ËüµÄµ¥Î»ÊÇè壬Ëü´«ÊäµÄʱºòÒªÇó½ÓÊÜ·½ºÍ·¢ËÍ·½µÄʱÖÓÊ ......

Ïê½âAJAXºËÐÄÖеÄXMLHttpRequest¶ÔÏó

 XMLHttpRequest ¶ÔÏóÊÇAJAX¹¦ÄܵĺËÐÄ£¬Òª¿ª·¢AJAX³ÌÐò±ØÐë´ÓÁ˽âXMLHttpRequest ¶ÔÏó¿ªÊ¼¡£
    Á˽âXMLHttpRequest ¶ÔÏó¾ÍÏÈ´Ó´´½¨XMLHttpRequest ¶ÔÏó¿ªÊ¼£¬ÔÚ²»Í¬µÄä¯ÀÀÆ÷Öд´½¨XMLHttpRequest ¶ÔÏóʹÓò»Í¬µÄ·½·¨£º
    ÏÈ¿´¿´IE´´½¨XMLHttpRequest ¶ÔÏóµÄ·½·¨£¨·½·¨1£©£º
va ......

ajaxʵÏÖgoogle/baiduÊäÈëÌáʾ¿ò

var http_request;
    function find(txt) {
        http_request = new ActiveXObject("Microsoft.XMLHTTP");
        http_request.onreadystatechange = function() {
        &n ......

AJAX (Òì²½ JavaScript ºÍ XML)

AJAX (Òì²½ JavaScript ºÍ XML) ÊǸöвúÉúµÄÊõÓï,רΪÃèÊöJavaScriptµÄÁ½ÏîÇ¿´óÐÔÄÜ.ÕâÁ½ÏîÐÔ
ÄÜÔÚ¶àÄêÀ´Ò»Ö±±»ÍøÂ翪·¢ÕßËùºöÂÔ,Ö±µ½×î½üGmail, Google suggestºÍgoogle MapsµÄºá¿Õ³öÊÀ²ÅʹÈË
ÃÇ¿ªÊ¼Òâʶµ½ÆäÖØÒªÐÔ.
ÕâÁ½Ïî±»ºöÊÓµÄÐÔÄÜÊÇ:
* ÎÞÐèÖØÐÂ×°ÔØÕû¸öÒ³Ãæ±ãÄÜÏò·þÎñÆ÷·¢ËÍÇëÇó.
* ¶ÔXMLÎĵµµÄ½âÎöºÍ´¦Àí£® ......

ajaxÌá½»±íµ¥

ajaxÌá½»±íµ¥
¹Ø¼ü×Ö: ajax
function ajaxSubmitForm(form, resultDivId) {          
var elements = form.elements;// Enumeration the form elements          
var element;      ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ