<!DOCTYPE HTML><html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>switch</title><script type="text/JavaScript">function week(){?var num=document.getElementById("input1");? ? var x;? ? var day=num.value;? ? //alert(day); ?可以顯示day變量的值switch(day){?case 1:?x="一";?document.write("今天是"+x+"!!");?break;?case 2:?x="二";?document.write("今天是"+x+"!!");?break;?case 3:?x="三";?document.write("今天是"+x+"!!");?break; ? ???case 4:?x="四";?document.write("今天是"+x+"!!");?break;?case 5:?x="五";?document.write("今天是"+x+"!!");?break;?default:?x="六";}}</script></head><body>? ? <input type="text" value="今天是星期幾呢?" id="input1">? ? <input type="button" onclick="week()" value="go go go"></body></html>
為什么無(wú)法通過(guò)點(diǎn)擊第二個(gè)按鈕來(lái)轉(zhuǎn)換第一個(gè)按鈕的value值
網(wǎng)友張順飛
2016-09-01 19:07:04
