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📄 javascript game.txt

📁 一个用javaScript编写的二次方程计算程序
💻 TXT
字号:
要完成此效果需要两个步骤

第一步:把如下代码加入到<head>区域中

<SCRIPT LANGUAGE="JavaScript">

<!-- Original:  Tomer Shiran



<!-- This script and many more are available free online at -->

<!-- The JavaScript Source!! http://javascript.internet.com -->



<!-- Begin

var total = 0

var play = false

function display(element) {

var now = new Date()

if (!play) {

play = true

startTime = now.getTime()}

if (now.getTime() - startTime > 20000) {

element.checked = !element.checked

return

}

 if (element.checked)

total++

else

total--

element.form.num.value = total

}

function restart(form) {

total = 0

play = false

for (var i = 1; i <= 100; ++i) {

 form.elements[i].checked = false

   }

}

// End -->

</SCRIPT>


第二步:把如下代码加入到<body>区域中

<SCRIPT LANGUAGE="JavaScript">

<!-- Begin

document.write("<FORM><CENTER>")

document.write('<INPUT TYPE="text" VALUE="0" ');

document.write('NAME="num" SIZE=10 onFocus="this.blur()"><BR>')

document.write("<HR SIZE=1 WIDTH=40%>")

for (var i = 0; i < 10; ++i) {

for (var j = 0; j < 10; ++j) {

document.write('<INPUT TYPE="checkbox" ');

document.write('onClick="display(this)">')}

document.write("<BR>")}

document.write("<HR SIZE=1 WIDTH=40%>")

document.write('<INPUT TYPE="button" VALUE="restart" ');

document.write('onClick="restart(this.form)">')

document.write("</CENTER></FORM>")

// End -->

</SCRIPT>

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