³£ÓÃJavaScriptÅжÏ×Ö·û´®µÄһЩ´úÂë
//ÅжÏÊäÈëÄÚÈÝÊÇ·ñΪ¿Õ
function IsNull(){
var str = document.getElementById('str').value.trim();
if(str.length==0){
alert('¶Ô²»Æð£¬Îı¾¿ò²»ÄÜΪ¿Õ»òÕßΪ¿Õ¸ñ!');//Ç뽫“Îı¾¿ò”¸Ä³ÉÄãÐèÒªÑéÖ¤µÄÊôÐÔÃû³Æ!
}
}
//ÅжÏÈÕÆÚÀàÐÍÊÇ·ñΪYYYY-MM-DD¸ñʽµÄÀàÐÍ
function IsDate(){
var str = document.getElementById('str').value.trim();
if(str.length!=0){
var reg = /^(\d{1,4})(-|\/)(\d{1,2})\2(\d{1,2})$/;
var r = str.match(reg);
if(r==null)
alert('¶Ô²»Æð£¬ÄúÊäÈëµÄÈÕÆÚ¸ñʽ²»ÕýÈ·!'); //Ç뽫“ÈÕÆÚ”¸Ä³ÉÄãÐèÒªÑéÖ¤µÄÊôÐÔÃû³Æ!
}
}
//ÅжÏÈÕÆÚÀàÐÍÊÇ·ñΪYYYY-MM-DD hh:mm:ss¸ñʽµÄÀàÐÍ
function IsDateTime(){
var str = document.getElementById('str').value.trim();
if(str.length!=0){
var reg = /^(\d{1,4})(-|\/)(\d{1,2})\2(\d{1,2}) (\d{1,2}):(\d{1,2}):(\d{1,2})$/;
var r = str.match(reg);
if(r==null)
alert('¶Ô²»Æð£¬ÄúÊäÈëµÄÈÕÆÚ¸ñʽ²»ÕýÈ·!'); //Ç뽫“ÈÕÆÚ”¸Ä³ÉÄãÐèÒªÑéÖ¤µÄÊôÐÔÃû³Æ!
}
}
//ÅжÏÈÕÆÚÀàÐÍÊÇ·ñΪhh:mm:ss¸ñʽµÄÀàÐÍ
function IsTime()
{
var str = document.getElementById('str').value.trim();
if(str.length!=0){
reg=/^((20|21|22|23|[0-1]\d)\:[0-5][0-9])(\:[0-5][0-9])?$/
if(!reg.test(str)){
alert("¶Ô²»Æð£¬ÄúÊäÈëµÄÈÕÆÚ¸ñʽ²»ÕýÈ·!");//Ç뽫“ÈÕÆÚ”¸Ä³ÉÄãÐèÒªÑéÖ¤µÄÊôÐÔÃû³Æ!
}
}
}
//ÅжÏÊäÈëµÄ×Ö·ûÊÇ·ñΪӢÎÄ×Öĸ
function IsLetter()
{
var str = document.getElementById('str').value.trim();
if(str.length!=0){
reg=/^[a-zA-Z]+$/;
if(!reg.test(str)){
alert("¶Ô²»Æð£¬ÄúÊäÈëµÄÓ¢ÎÄ×ÖĸÀàÐ͸ñʽ²»ÕýÈ·!");//Ç뽫“Ó¢ÎÄ×ÖĸÀàÐÍ”¸Ä³ÉÄãÐèÒªÑéÖ¤µÄÊôÐÔÃû³Æ!
}
}
}
//ÅжÏÊä
Ïà¹ØÎĵµ£º
½üÀ´¿´ÁËDeanµÄ“Convert any colour value to hex in MSIE”£¬ÖÕÓÚ½â¾öÁ˸ù¾Ý¹Ø¼ü×Ö»ñÈ¡ÑÕÉ«rgbÖµµÄÎÊÌâ¡£
˳±ã°Ñ³ÌÐòÒ²ÖØÐÂÕûÀíÒ»·¬£¬²¢Ê¹ÓÃÁË×î½üÕûÀíµÄ¹¤¾ß¿â¡£
Ч¹ûÔ¤ÀÀµ½ÕâÀï
ÏÂÔØÍêÕûʵÀý
³ÌÐò˵Ã÷
¡¾ColorGradsÑÕÉ«Ìݶȡ¿
³ÌÐòColorGradsµÄ×÷ÓÃÊǸù¾ÝÑÕÉ«¼¯ºÏºÍ½¥±ä¼¶ÊýÉú³ÉÑÕÉ«Ìݶȼ¯ºÏ¡£
½¥±ä¼ ......
¸Õ¸Õ°Ý¶ÁÁË JavascriptµÄ±äÁ¿Óëdelete²Ù×÷·û ºÜÊÜÆô·¢¡£ÔÎÄֻ˵Á˽á¹û£¬Ã»¸üÉîÈëÍÆÀí×ܽáÒ»ÏÂΪʲô£¬ÒÔ¼°ÔõôÀí½âºÃÒ»µã£¬ÎÒÕâÀï²¹³ä×ܽáһϡ£
/// <reference path="http://tech.idv2.com/2008/01/09/javascript-variables-and-delete-operator/" />
/*
Óëc++²»Í¬£¬javascriptµÄdelete²»»áɾ³ ......
±¾ÎÄ·ÇÔ´´
Object.extend = function(destination, source) {
for (var property in source) {
destination[property] = source[property];
}
return destination;
}
Prototype ¶ÔObjectÀའ......
¡¡¡¡´ËÎÄΪ¶Á¡¶JavaScript And DHTML Cookbook¡·ºó×ܽá³öÀ´µÄ±Ê¼Ç¡£ÓÉÓÚµ±Ê±Êdzõѧ£¬ËùÒԱʼÇÖÐÄÑÃâÓдíÎ󣬻¶ÓÖ¸Õý¡£Ð»Ð»£¡
·×Ö·û´®(String)
1.ÉùÃ÷
var myString = new String("Every good boy does fine.");
var myString = "Every good boy does fine.";
&n ......
ͼÏñµØÍ¼Ö¸µÄÊÇ´øÓпɵã»÷ÇøÓòµÄͼÏñ¡£
ʵÀý
¼òµ¥µÄ HTML ͼÏñÓ³Éä
±¾ÀýÑÝʾһ·ùûÓÐÌí¼Ó JavaScript µÄͼÏñÓ³Éä¡£
Ìí¼ÓÁË JavaScript µÄͼÏñÓ³Éä
±¾ÀýÑÝʾһ·ùÌí¼ÓÁË JavaScript µÄͼÏñÓ³É䣬µ±Êó±ê¸¡¶¯ÓÚij¸öÈȵãÉÏʱ£¬»áµ÷Óà JavaScript º¯ÊýÀ´ÏÔʾÈȵãËù¶ÔÓ¦µÄÐÇÇòµÄ¼ò½é¡£
JavaScript ͼÏñµØÍ¼
ÎÒÃÇÒѾ ......