效果和點擊最大化按鈕差不多，有一點區別。點擊最大化按鈕後，瀏覽器的內容填充滿顯示器，瀏覽器視窗的邊框被擠出顯示器。而該js的最大化效果是瀏覽器的邊框在顯示器內顯示。
js代碼如下：
function resizeWindow(){
if (window.screen) {//判斷瀏覽器是否支援window.screen判斷瀏覽器是否支援screen
var myw = screen.availWidth; //定義一個myw，接受到當前全屏的寬
var myh = screen.availHeight; //定義一個myw，接受到當前全屏的高
window.moveTo(0, 0); //把window放在左上腳
window.resizeTo(myw, myh); //把當前表單的長寬跳轉為myw和myh
}
}
html的body使用onload事件來調用該函數：
<body onload="resizeWindow();">
原帖地址：http://huang37927.iteye.com/blog/836806
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