是下面这样子的吗??function calc(){ var sum = 0; var result = 0; for(var i = 1; i <= 100; i++){ sum += i; if(sum > 2000){ result = i; break; } } alert(result); return result; }
<script> function test(){ var sum=0; var k = 0; for(var i=0;i<101;i++){ sum +=i; if(sum<2000) k=i+1; } alert("1到100和是:"+sum); alert("大于2000时候:"+k); } </script> <body onload="test()"> aa </body>
var sum = 0;
var result = 0;
for(var i = 1; i <= 100; i++){
sum += i;
if(sum > 2000){
result = i;
break;
}
}
alert(result);
return result;
}
<script>
function test(){
var sum=0;
var k = 0;
for(var i=0;i<101;i++){
sum +=i;
if(sum<2000)
k=i+1;
}
alert("1到100和是:"+sum);
alert("大于2000时候:"+k);
}
</script>
<body onload="test()">
aa
</body>