s04_15.htm

来自「老师课件」· HTM 代码 · 共 13 行

HTM

13 行

<HTML><HEAD><TITLE>适于do while循环的例子</TITLE>
<script language=javascript>
var go_on,x,y,result,answer
do
{
    x = Math.floor(Math.random() *90)+10;
    y = Math.floor(Math.random() *90)+10;
    result = x+y;
    answer = parseFloat(prompt(x + "+" + y + "=","0"));
    go_on = confirm(((answer==result)?"答对":"答错") +"！\t继续测试吗?")
} while(go_on)
</script>
</HEAD><BODY></BODY></HTML>

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s04_15.htm

s04_15.htm - 源码说明

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