BootWiki教程网
源代码：
点击运行
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>BootWiki 教程网</title> <script type="text/javascript"> function getValue(){ var a,b,c; a = void ( b = 5, c = 7 ); document.write('a = ' + a + ' b = ' + b +' c = ' + c ); } </script> </head> <body> <p>点击以下按钮查看结果：</p> <form> <input onclick="getValue();" type="button" value="点我" /> </form> </body> </html>
运行结果