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 ......

ÔÚb/s¿ª·¢Öо­³£Óõ½µÄjavaScript¼¼ÊõÕûÀí

Ò»¡¢ÑéÖ¤Àà
1¡¢Êý×ÖÑéÖ¤ÄÚ
  1.1 ÕûÊý
 /^(-|\+)?\d+$/¡¡¡¡²»¿ÉÒÔΪ¿Õ
 /^[-+]?\d*$/  ¿ÉÒÔΪ¿Õ
  1.2 ´óÓÚ0µÄÕûÊý £¨ÓÃÓÚ´«À´µÄIDµÄÑéÖ¤)
 /^\d+$/
  1.3 ¸ºÕûÊýµÄÑéÖ¤
 /^-\d+$/
  1.4 ÕûÊý²»ÄÜ´óÓÚiMax
 ¸ù¾ÝÉÏÃæµÄÕýÔò¿ÉÒÔд³ö¡£
  1.5 ÕûÊý²»ÄÜÐ¡Ó ......

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 ......

ÈçºÎÓÃJavascript¼ì²éAdobe PDF²å¼þÊÇ·ñ°²×°

ÓÃJavascript¼ì²éAdobe PDF²å¼þÊÇ·ñ°²×°µÄ´úÂëÈçÏ£º
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; ......

JavascriptÖÐ×î³£ÓõÄ55¸ö¾­µä¼¼ÇÉ

JavascriptÖÐ×î³£ÓõÄ55¸ö¾­µä¼¼ÇÉ
1. oncontextmenu="window.event.returnValue=false" ½«³¹µ×ÆÁ±ÎÊó±êÓÒ¼ü
<table border oncontextmenu=return(false)> <td>no </table> ¿ÉÓÃÓÚTable
2. <body onselectstart="return false"> È¡Ïûѡȡ¡¢·ÀÖ¹¸´ÖÆ
3. onpaste="return false" ²»×¼Õ³Ìù
4 ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ