📄 猜数.txt
字号:
脚本说明:
第一步:把如下代码加入<head>区域中
<SCRIPT LANGUAGE="JavaScript">
var js_mult1=3141
var js_mult2=5821
var js_m1=100000000
var js_m2=10000
var js_iseed=0
var js_iseed1=0
var js_iseed2=0
function random(n)
{
if (js_iseed == 0)
{
now = new Date()
js_iseed = now.getHours() + now.getMinutes() * 60
+ now.getSeconds() * 3600
}
js_iseed1 = js_iseed / js_m2
js_iseed2 = js_iseed % js_m2
var tmp = (((js_iseed2 * js_mult1 + js_iseed1 * js_mult2) % js_m2) *
js_m2 + (js_iseed2 * js_mult2)) % js_m1
js_iseed = (tmp + 1) % js_m1
return (Math.floor((js_iseed/js_m1) * n))
}
var myNumber = 0
var nGuesses = 0
function guessnum()
{
var response
var num = parseInt(document.forms[0].guess.value)
document.forms[0].guess.value = num // visual feedback in case of NaN
nGuesses++ // increase the guess count
response = "哦，你猜的数 "
if (num < myNumber) response = response + "太小了"
if (num > myNumber) response = response + "太大了"
if (num == myNumber)
{
response = response + "对了！！你猜到我了！"
nGuesses = 0
myNumber = random(100)+1
}
document.forms[1].result.value=response
document.forms[1].guesses.value=nGuesses
document.forms[0].guess.focus()
document.forms[0].guess.select()
return true
}
function giveup()
{
var response
nGuesses = 0
response = "我的数字是" + myNumber +". 想猜我的新数吗？"
myNumber = random(100)+1
document.forms[1].result.value=response
document.forms[1].guesses.value=nGuesses
document.forms[0].guess.focus()
document.forms[0].guess.select()
}
</SCRIPT>
<font size="3" color="#FF0000">
我手中有一个数，它的范围在1~100之间，你能猜到它是几吗？</font></b><font size="4">
</font>
<SCRIPT>
myNumber = random(100)+1
nGuesses = 0
</SCRIPT>
<FORM onSubmit="guessnum(); return false">
填入你猜的数: <INPUT TYPE="text" NAME="guess" SIZE=5>
<INPUT TYPE="button" VALUE=" 我来猜 " onClick="guessnum()">
<INPUT TYPE="button" VALUE=" 放弃 " onClick="giveup()">
</FORM>
<FORM>
你已猜了: <INPUT TYPE="text" NAME="guesses" SIZE=3>次
提示信息: <INPUT TYPE="text" NAME="result" SIZE=35>
</FORM>
第二步:把<body>区域中的内容改为:
<body bgcolor="#ffffff" onLoad="document.forms[0].guess.focus(); document.forms[0].guess.select()">
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