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用JS显示文字的例子:
<Html> <body>
<script type="text/javascript"> document.write("Hello World!") </script>
</body> </html>
用HTML标签来格式化文本的例子:
<html> <body>
<script type="text/Javascript"> document.write("<h1>Hello World!</h1>") </script>
</body> </html>
书写JS位置的例子:
打开页面弹出窗口的例子
<html> <head> <script type="text/javascript"> function message() { alert("网页教学网欢迎你的光临") } </script> </head>
<body onload="message()">
</body> </html>
在BODY区内输出显示文本的例子:
<html> <head> </head>
<body>
<script type="text/javascript"> document.write("欢迎光临网页教学网http://www.webjx.com") </script>
</body> </html>
调用其它的一个JS文件的例子:
<html> <head> </head> <body>
<script src="xxx.js"> </script>
<p> The actual script is in an external script file called "xxx.js". </p>
</body> </html>
变量的使用
变量使用的例子:
<html> <body>
<script type="text/javascript"> var name = "Hege" document.write(name) document.write("<h1>"+name+"</h1>") </script>
<p>This example declares a variable, assigns a value to it, and then displays the variable.</p>
<p>Then the variable is displayed one more time, only this time as a heading.</p>
</body> </html>
函数的例子
函数使用的一个例子:
<html> <head>
<script type="text/javascript"> function myfunction() { alert("HELLO") } </script>
</head> <body>
<form> <input type="button" onclick="myfunction()" value="Call function"> </form>
<p>By pressing the button, a function will be called. The function will alert a message.</p>
</body> </html>
带一个参数的函数的例子:
<html> <head>
<script type="text/javascript"> function myfunction(txt) { alert(txt) } </script>
</head> <body>
<form> <input type="button" onclick="myfunction('Hello')" value="Call function"> </form>
<p>By pressing the button, a function with an argument will be called. The function will alert
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