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

JSONÓëString»¥×ª£¨javascript£©

JSON => String:
function jsonToString(obj){
var THIS = this;
switch(typeof(obj)){
case 'string':
return '"' + obj.replace(/(["\\])/g, '\\$1') + '"';
case 'array':
return '[' + obj.map(THIS.jsonToString).join(',') + ']';
case 'object':
if(obj instanceof Array){
var strArr = [];
var len = obj.length;
for(var i=0; i<len; i++){
strArr.push(THIS.jsonToString(obj[i]));
}
return '[' + strArr.join(',') + ']';
}else if(obj==null){
return 'null';

}else{
var string = [];
for (var property in obj) string.push(THIS.jsonToString(property) + ':' + THIS.jsonToString(obj[property]));
return '{' + string.join(',') + '}';
}
case 'number':
return obj;
case false:
return obj;
}
},
String => JSON
function stringToJSON(obj){
return eval('(' + obj + ')');
}
Ô­ÌûµØÖ·£ºhttp://heweiya.javaeye.com/blog/442167


Ïà¹ØÎĵµ£º

JavaScript »ñÈ¡¶ÔÏóµÄ¸ß¶ÈºÍ¿í¶ÈÏêϸ˵Ã÷

scrollHeight: »ñÈ¡¶ÔÏóµÄ¹ö¶¯¸ß¶È¡£
scrollLeft:ÉèÖûò»ñȡλÓÚ¶ÔÏó×ó±ß½çºÍ´°¿ÚÖÐĿǰ¿É¼ûÄÚÈݵÄ×î×ó¶ËÖ®¼äµÄ¾àÀë
scrollTop:ÉèÖûò»ñȡλÓÚ¶ÔÏó×î¶¥¶ËºÍ´°¿ÚÖпɼûÄÚÈݵÄ×î¶¥¶ËÖ®¼äµÄ¾àÀë
scrollWidth:»ñÈ¡¶ÔÏóµÄ¹ö¶¯¿í¶È
offsetHeight:»ñÈ¡¶ÔÏóÏà¶ÔÓÚ°æÃæ»òÓɸ¸×ø±ê offsetParent ÊôÐÔÖ¸¶¨µÄ¸¸×ø±êµÄ¸ß¶È
offsetL ......

javascriptÖÐevalÓ÷¨

eval¿ÉÒÔ½«×Ö·û´®Éú³ÉÓï¾äÖ´ÐУ¬ºÍSQLµÄexec()ÀàËÆ¡£
evalµÄʹÓó¡ºÏÊÇÊ²Ã´ÄØ£¿ÓÐʱºòÎÒÃÇÔ¤ÏȲ»ÖªµÀÒªÖ´ÐÐʲôÓï¾ä£¬Ö»Óе±Ìõ¼þºÍ²ÎÊý¸øÊ±²ÅÖªµÀÖ´ÐÐʲôÓï¾ä£¬Õâʱºòeval¾ÍÅÉÉÏÓó¡ÁË¡£¾Ù¸öÀý×Ó£º
ÎÒÃÇÒª×öÒ»¸öfunction()£¬¹¦ÄÜÊÇÊäÈëÍøÒ³ÖÐÁ½¸ö¸ö¶ÔÏóµÄÃû³Æ£¬È»ºó³ÌÐò¾Í½«ÕâÁ½¸ö¶ÔÏóµÄÖµÁª½ÓÆðÀ´Êä³ö¡£
function ou ......

JavaScriptÉèÖôúÂëÑÓʱִÐÐ

//ÈÃij¶Î´úÂëÑÓʱִÐÐ
function delayRun(code, time) {
        var t = setTimeout(code, time);
}
Ó¦ÓþÙÀý£º
<input type="button" name="query" value="ͳ¼Æ" class="long_button" onClick="return delayRun('onQuery()', 1000);"> ......

javascriptÑ§Ï°Ëæ±Ê(ʹÓÃwindowºÍframe)µÄ¼¼ÇÉ

JavaScriptÔÊÐí´´½¨ºÍ´ò¿ª´ú±íHTMLÎı¾, form¶ÔÏóºÍframeµÄ´°¿Ú. window¶ÔÏóÊÇJavaScript¿Í»§²ã´Î½á¹¹µÄ×î¶¥²ã¶ÔÏó, formÔªËØºÍÈ«²¿JavaScript´úÂë¶¼ÊÇ´æÔÚÓÚÎĵµÖÐ,¶øÎĵµ±»×°Ôؽø´°¿Ú. ΪÁËÀí½â´°¿ÚÔõÑù¹¤×÷,Äã¿ÉÒÔ¿ØÖƲÙ×÷ÕâЩ´°¿Ú.
´ò¿ªºÍ¹Ø±Õ´°¿Ú
µ±Óû§Æô¶¯(launch)Navigatorʱ,½«×Ô¶¯´´½¨Ò»¸ö´°¿Ú.Óû§»¹¿ÉÒÔÊ¹Ó ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ