?? ch5_examp3.htm
字號:
<HTML>
<BODY>
<IMG NAME=img1 SRC="" BORDER=0 WIDTH=200 HEIGHT=150>
<SCRIPT LANGUAGE=JavaScript>
var myImages = new Array("usa.gif","canada.gif","jamaica.gif","mexico.gif");
var imgIndex = prompt("Enter a number from 0 to 3","");
document.images["img1"].src = myImages[imgIndex];
</SCRIPT>
</BODY>
</HTML>
?? 快捷鍵說明
復制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -