在JavaScript中睡眠 - 在动作之间延迟 [英] Sleep in JavaScript - delay between actions
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问题描述
在执行其他操作之前,有没有办法让我在JavaScript中睡觉?
Is there a way I can do a sleep in JavaScript before it carries out another action?
示例:
var a = 1+3;
// Sleep 3 seconds before the next action here
var b = a + 4;
推荐答案
您可以使用 setTimeout
实现类似的效果:
You can use setTimeout
to achieve a similar effect:
var a = 1 + 3;
var b;
setTimeout(function() {
b = a + 4;
}, (3 * 1000));
这不是'睡眠'JavaScript - 它只是执行传递给<$ c $的函数c> setTimeout 经过一段时间(以毫秒为单位)。尽管可以为JavaScript编写睡眠函数,但最好使用 setTimeout
,因为它不会在睡眠期间冻结所有内容。
This doesn't really 'sleep' JavaScript—it just executes the function passed to setTimeout
after a certain duration (specified in milliseconds). Although it is possible to write a sleep function for JavaScript, it's best to use setTimeout
if possible as it doesn't freeze everything during the sleep period.
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