WaitFor

一直等待并执行回调函数

ეს სკრიპტი არ უნდა იყოს პირდაპირ დაინსტალირებული. ეს ბიბლიოთეკაა, სხვა სკრიპტებისთვის უნდა ჩართეთ მეტა-დირექტივაში // @require https://update.greasyfork.org/scripts/464516/1179152/WaitFor.js.

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         WaitFor
// @namespace    http://bbs.91wc.net/?wait-for
// @version      0.1
// @description  一直等待并执行回调函数
// @author       Wilson
// ==/UserScript==

function WaitFor(cond, callback, delay) {
    delay = delay || 100;
    var timer = setTimeout(function(){
	if(timer) clearTimeout(timer);
        if(cond && cond()) callback();
	WaitFor(cond, callback, delay);
    }, delay);
}

//使用:
//WaitFor(()=>{return true}, ()=>{console.log(1)});
//cond 条件回调函数,当cond()为真则执行callback
//callback 回调函数
//delay 多久检查一次条件,单位ms,默认100