同一个页面
<script>
var timer=null;
function check(uid)
{
var obj=document.all(uid);
if(isNaN(obj.value)||obj.value.substr(obj.value.length-1)==".")obj.value=obj.value.slice(0,-1)
timer=setTimeout("check('"+uid+"')",10);
}
function myclear(){
clearTimeout(timer)
}
function compute()
{
m=document.all.number1.value;
n=document.all.number2.value;
j=0;
k=m<n?m:n;
for(i=k;i>=1;i--)
{
if((m/i==(m-m%i)/i)&&(n/i==(n-n%i)/i))
{
j=i;
break;
}
}
document.all.result.value=j;
}
</script>
1<input type=text name=number1 onfocus=check(this.uniqueID) onblur=myclear()>
2<input type=text name=number2 onfocus=check(this.uniqueID) onblur=myclear()>
公约数<input type=text id=result readOnly>
<input type=button value=compute onclick=compute()>
<script>
var timer=null;
function check(uid)
{
var obj=document.all(uid);
if(isNaN(obj.value)||obj.value.substr(obj.value.length-1)==".")obj.value=obj.value.slice(0,-1)
timer=setTimeout("check('"+uid+"')",10);
}
function myclear(){
clearTimeout(timer)
}
function compute()
{
m=document.all.number1.value;
n=document.all.number2.value;
j=0;
k=m<n?m:n;
for(i=k;i>=1;i--)
{
if((m/i==(m-m%i)/i)&&(n/i==(n-n%i)/i))
{
j=i;
break;
}
}
document.all.result.value=j;
}
</script>
1<input type=text name=number1 onfocus=check(this.uniqueID) onblur=myclear()>
2<input type=text name=number2 onfocus=check(this.uniqueID) onblur=myclear()>
公约数<input type=text id=result readOnly>
<input type=button value=compute onclick=compute()>
2<input type=text name=number2>
公约数<input type=text id=result readOnly>
<input type=button value=compute onclick=compute(number1.value,number2.value)>
<script>
function compute(m,n){
for(k=Math.min(m,n);k>0;k--)if(m%k==0&&n%k==0)break;
alert(k);
}
</script>
num1<input type=text name=number1>
num2<input type=text name=number2>
公约数<input type=text id=result readOnly>
<input type=button value=compute onclick=compute(number1.value,number2.value)>
<input type=button value=gcd1 onclick=gcd1(number1.value,number2.value)>
<input type=button value=gcd2 onclick=gcd2(number1.value,number2.value)>
<script>
function compute(m,n){
for(k=Math.min(m,n);k>0;k--)if(m%k==0&&n%k==0)break;
alert(k);
}
function gcd1(m,n){
with(Math){
while(m!=n){
a=min(m,n); b=abs(m-n); m=max(a,b);n=min(a,b);
}
}
alert(m);
}
function gcd2(m,n){
with(Math){
if(m<n){t=n; n=m; m=t;}
while(m%n!=0){
a=n; n=min(n,m%n); m=max(a,m%a);
}
}
alert(n);
}
</script>
num2<input type=text name=number2>
公约数<input type=text id=result readOnly>
<input type=button value=gcd onclick=result.value=(gcd(number1.value,number2.value))><script>
function gcd(m,n){
if(m==0)return n;
else return gcd(n%m,m)
}
</script>
以前数学就没学好. 后悔ing....