切换布局
显示结果
<html> <head> <script type = "text/javascript"> <!-- function showValue() { var bigNumber = Number.MAX_VALUE * 2 if (bigNumber == Number.POSITIVE_INFINITY) { alert("Value of bigNumber : " + bigNumber ); } } //--> </script> </head> <body> <p>点击以下按钮查看结果:</p> <form> <input type = "button" value = "Click Me" onclick = "showValue();" /> </form> </body> </html>
