javascript有兩種資料類型的轉換方法:(一)將整個值從一種類型轉換為另一種資料類型(稱作基礎資料型別 (Elementary Data Type)轉換)(二)從一個值中提取另一種類型的值,並完成轉換工作 基礎資料型別 (Elementary Data Type)轉換的三種方法:1.轉換為字元型:String(); 例:String(678)的結果為"678"2.轉換為數值型:Number(); 例:Number("678")的結果為6783.轉換為布爾型:Boolean();
代碼Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->//直接取URLalert( GetQueryString("action")); function GetQueryString(name) { var reg = new RegExp("(^|&)"+ name +"=([^&]*)(&|$)"); var r =
CodeCode highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/--><body><SCRIPT LANGUAGE="JavaScript"> var s = ""; s += "\r\n網頁可見地區寬:"+ document.body.clientWidth; s += "\
首先,在你的首頁面上必須包含以下這段javascript代碼:<script language="Javascript">var getFFVersion=navigator.userAgent.substring(navigator.userAgent.indexOf("Firefox")).split("/")[1]//extra height in px to add to iframe in FireFox 1.0+ browsersvar
JavaScript代碼: Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/--><script language="javascript" type="text/javascript">var TelNumber=GetQueryString("tel") alert( TelNumber); function
JavaScript is an excellent language to write object oriented web applications. It can support OOP because it supports inheritance through prototyping as well as properties and methods. Many developers cast off JS as a suitable OOP language because