切换布局
显示结果
<html> <body> <script type = "text/javascript"> <!-- var x = 1; document.write("Entering the loop<br /> "); while (x < 20) { if (x == 5) { break; // breaks out of loop completely } x = x + 1; document.write( x + "<br />"); } document.write("Exiting the loop!<br /> "); //--> </script> </body> </html>
