<input type="text" id="1" disabled > +
<input type="text" id="2" />=
<input type="text" id="3" disabled>
<input type="button" value="验证结果" onclick="yanz()"/>
<input type="button" value="下一题" onclick="goBack()">
<input type="button" value="查看结果" onclick="chak()"/>
<script>
var shurk1=document.getElementById("1");
var shurk2=document.getElementById("2");
var shurk3=document.getElementById("3");
shu();
function shu(){
var a=(Math.floor(Math.random()*10+1));
var b=(Math.floor(Math.random()*10+1));
if (a>=b){
shu();
}else{
shurk1.value=a;
shurk3.value=b;}
}
function yanz(){
if (isNaN(shurk2.value) || isNaN(shurk1.value)){
alert("输入正确的数");
shurk2.value="";return;
}else{
bij();}
}
function bij(){
var a=shurk1.value;
var b=shurk3.value;
var c=shurk2.value;
if (b*1==a*1+c*1){
alert ("正确");
document.getElementById("2").disabled=true;
}else{
alert ("错误");
document.getElementById("2").disabled=true;
}
}
function goBack(){
window.history.go(-13);
shurk2.value="";
if (document.getElementById("2").disabled=true){
document.getElementById("2").disabled=false;shu()
}else{
document.getElementById("2").disabled=true;shu();}
}
</script>
先谢了,分给你了。我在自己看看吧!
那我上面定义的var 怎么办也写到JS里面吗?
追答肯定啊符合javascript 语法不会出错就行
追问
+
=
上面是写在PHP里面的内容