javascript操作SELECT中option大全1:判斷select選項中是否存在itemfunction isExitItem(objSelect, objItemValue) { var isExit = false; for (var i = 0; i < objSelect.options.length; i++) { if (objSelect.options[i].value == objItemValue) { isExit
function each(object, callback) {if (undefined === object.length) {for ( var name in object) {if (false === callback(object[name], name, object))break;}} else {for ( var i = 0, len = object.length; i < len; i++) {if (i in object) {if (false ===
//截取字串 包含中文處理function SubString(str, len, hasDot) { var newLength = 0; var newStr = ""; var chineseRegex = /[^\x00-\xff]/g; var singleChar = ""; var strLength = str.replace(chineseRegex, "**").length; for (var i = 0; i <
JavaScript,是世界上最流行的程式設計語言之一。事實上世界上的每一台個人電腦都安裝並在頻繁使用至少一個JavaScript解譯器。JavaScript的流行完全是由於他在WWW指令碼語言領域中的地位決定的。 Despite its popularity, few know that JavaScript is a very nice dynamic object-oriented general-purpose programming language. How can this be
<script language="javascript">function setValue0(){ var znum,i,fstr,t,picss,n; var arr1=new Array(); var arrtmp=new Array(); var arrs=new Array(); var arrb=new Array(); picss="1.jpg,1b.jpg|2.jpg,2b.jpg"; znum=5; arr1=picss.split('|'); for(n=0;
使用JavaScript中的ActiveXObject填充並設定Excel格式 var XLObj = new ActiveXObject("Excel.Application"); var xlBook = XLObj.Workbooks.Add; //新增活頁簿 var ExcelSheet = xlBook.Worksheets(1);
/* var obj=new Object();//建立一個對象 obj.name="兔子01";//給添加添加name屬性 obj.age="24";//給對象添加age屬性 obj.showName=function(){//給對象添加showName方法 alert("My Name is "+this.name); } obj.showAge=function(){//給對象添加showAge方法 alert("My Age is "+this.age); }
安裝方法:1.IE屬性-進階-禁止指令碼調試,的勾去掉.2.下載Microsoft Script Debugger 並安裝下面對Debugger.html檔案進行調試,代碼如下:<HTML><HEAD><script language="javascript"> function MyDebugger() { var a = 1,b = 2; var t; t = a; a = b;