UC知道对javascript中的for循环的疑惑？
来源：百度知道 编辑：UC知道 时间：2024/07/07 12:48:24
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>无标题文档</title>
<script language="javascript">
function change_1(){
resizeTo(700,700);
moveBy(120,20);
}
function change_2(){
stop();
}
function change_w(){
for(var i=0;i<700;i++){
for(var j=0;j<(i+1);j++){
resizeTo((700-i),(700-j));
}
if(i==500) break;
}
}
</script>
</head>
<body>
<button id="btn" onClick="change_1()">预热</button>
<button id="btn" onClick="change_w()">窗口变化</button>
<button i
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>无标题文档</title>
<script language="javascript">
function change_1(){
resizeTo(700,700);
moveBy(120,20);
}
function change_2(){
stop();
}
function change_w(){
for(var i=0;i<700;i++){
for(var j=0;j<(i+1);j++){
resizeTo((700-i),(700-j));
}
if(i==500) break;
}
}
</script>
</head>
<body>
<button id="btn" onClick="change_1()">预热</button>
<button id="btn" onClick="change_w()">窗口变化</button>
<button i
使用循环是死的,建议使用setInterval 来间隔执行.
------- 代码 --
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>无标题文档</title>
<script language="javascript">
function change_1(){
resizeTo(700,700);
moveBy(120,20);
}
function change_2(){
setInterval(tt);
}
var tt;
function change_w(){
tt = setInterval(window_s,10);
}
var window_w = 700;
var window_h = 700;
function window_s()
{
window_w = window_w -1;
window_h = window_h -1;
resizeTo(window_w,window_h);
}
</script>
</head>
<body>
<button