b.js

《JavaScript网页开发体验式学习教程》的源代码

		document.writeln("abc<br>");
		document.writeln("def<br>");
		document.writeln('<script language="javascript">');
		document.writeln('	function updatedoc()');
		document.writeln('	{');
		document.writeln('		document.writeln("abc<br>");');
		document.writeln('		document.writeln("def<br>");');
		document.writeln('	}');
		document.writeln('</scr' + 'ipt>');
		document.writeln('<input type=button name="update" value="更新" onclick="updatedoc()">');