延迟与JavaScript的循环 [英] delay a for loop with javascript
本文介绍了延迟与JavaScript的循环的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
例如。假设这个for循环从0到8,每次之后应该有2个seker的延迟。
for (var i = 0; i <8; i ++ {
做某事...
等待2 sek,然后继续i = i ++;
}
$
$
解决方案
b $ b
$ b
或<
(i){alert(Hello+ i); if(--i> -1){setTimeout(function() {jsHello(i);},2000);}} jsHello(5);
I want to delay a "for loop" for a while but don't know how to do it.
For example. Let's say this "for loop" runs from 0 to 8 and after each i there should be a delay for 2 sek.
for (var i=0; i<8; i++{
do something...
wait for 2 sek. and go on with i=i++;
}
解决方案
You'll have to go that way:
function jsHello(i) {
if (i < 0) return;
setTimeout(function () {
alert("Hello " + i);
jsHello(--i);
}, 2000);
}
jsHello(5);
or
function jsHello(i) {
alert("Hello " + i);
if (--i > -1) {
setTimeout(function () { jsHello(i); }, 2000);
}
}
jsHello(5);
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