JavaScript方法和技巧大全

JavaScript方法和技巧大全  基础知识
1 创建脚本块  <script language=”JavaScript”> JavaScript code goes here </script>
2 隐藏脚本代码  <script language=”JavaScript”><!-- document.write(“Hello”); --> </script>
在不支持JavaScript的浏览器中将不执行相关代码
3 浏览器不支持的时候显示  <noscript> Hello to the non-JavaScript browser.</noscript>
4 链接外部脚本文件<script language=”JavaScript” src="/”filename.js"”></script>
5 注释脚本   // This is a comment  
document.write(“Hello”); // This is a comment
/*   All of this  is a comment  */
6 输出到浏览器  document.write(“<strong>Hello</strong>”);
7 定义变量   var myVariable = “some value”;
8 字符串相加 var myString = “String1” + “String2”;
9 字符串搜索  <script language=”JavaScript”><!-- var myVariable = “Hello there”;
var therePlace = myVariable.search(“there”); document.write(therePlace);// --> </script>
10 字符串替换 thisVar.replace(“Monday”,”Friday”);
11 格式化字串 <script language=”JavaScript”><!—
var myVariable = “Hello there”; document.write(myVariable.big() + “<br>”);
document.write(myVariable.blink() + “<br>”); document.write(myVariable.bold() + “<br>”);
document.write(myVariable.fixed() + “<br>”);document.write(myVariable.fontcolor(“red”) + “<br>”);
document.write(myVariable.fontsize(“18pt”) + “<br>”);document.write(myVariable.italics() + “<br>”);
document.write(myVariable.small() + “<br>”);document.write(myVariable.strike() + “<br>”);