setinterval | 易学教程

Automatically update with AJAX

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问题 I'm currently using this code on my webpage: <?php $url = "https://www.toontownrewritten.com/api/invasions"; $data = json_decode(file_get_contents($url)); if (!empty($data->invasions)) { echo "<h1 style='text-align:center;margin:auto;padding:2px;font-size:16px;font-weight:bold;text-decoration:underline;padding:2px;'>Invasion Tracker</h1>"; $i = 0; foreach($data->invasions as $title => $inv) { print "<h3 style='text-align:center;margin:auto;'><b>District:</b> {$title} </h3><br style='font-size

JQuery auto refresh (setInterval)

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问题 Hi folks not sure the best way to do this - i.e. where to put the if 's .. I have a div that loads a page and has a setInterval() function. On the loaded page there is 1 button, What I want to acheive is when button #1 (loaded page) is clicked to stop the setInterval() and append a new div (position absolute) until button#2 (on the apended div) is clicked then to restart it. .. comprende? Here is my "base" code This is the action from the first button $('.replybutton').live('click',function()

JavaScript定时器

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定时器什么是定时器？作用？ JS提供了一些原生方法来实现延时去执行某一段代码，下面简单介绍两种计时器。　　　　 setTimeOut： setTimeOut(code,millisec,lang) code:必选，要调用的函数后要执行的JavaScript代码串。 millisec：必选，在执行代码前需等待的毫秒数。 lang：可选，脚本语言可是是：JScript/VBScript/JavaScript setInterVal: setInterVal(code,millisec,lang) code:必选，要调用的函数后要执行的JavaScript代码串。 millisec：必选，在执行代码前需等待的毫秒数。 lang：可选，脚本语言可是是：JScript/VBScript/JavaScript 基本用法 setTimeOut： < script type = "text/javascript" > function myFunction ( ) { setTimeout ( function ( ) { alert ( "Hello" ) } , 3000 ) ; //3s后输出一次"Hello" } < / script > setInterVal: < script type = "text/javascript" > function myFunction ( ) {

How to delay setInterval in Javascript?

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问题 I've been running into a weird problem repeatedly in JavaScript now. I can't seem to delay setInterval longer. A small example of what happens: var loop; var count; loop = setInterval(start, 30); function start() { //Some code delay(); //Some more code } function delay() { setTimeout(function () { count++; //Animation code if (count <= 1000) delay(); }, 100); } Now what I want to do is, execute 'some code' part, do nothing while the 'animation code' executes, and then execute 'some more code'

Angular 2 call setInterval() undefined Services form Dependency injection

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问题 I want to call a function every 10 minutes by using setInterval() and in this function I want to use a Service (called auth) that I get from the Dependency Injector of Angular 2, the problem is that the console tells me following: EXCEPTION: TypeError: this.auth is undefined constructor(private auth: AuthService){ setInterval(function(){ this.auth.refreshToken(); }, 1000 * 60 * 10); } 回答1: this in the function given to setInterval doesn't point to the class when it is called. Use arrow

Javascript异步编程之setTimeout与setInterval详解分析(一)

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Javascript异步编程之setTimeout与setInterval 在谈到异步编程时，本人最主要会从以下三个方面来总结异步编程( 注意：特别解释：是总结，本人也是菜鸟，所以总结不好的，请各位大牛多多原谅！) 1. setTimeout与setInterval详细分析基本原理。 2. 分布式事件(pub/sub). 3. Promise对象和Deferred对象。接下来这篇博客会总结setTimeout和setInterval基本点，对于上面三点会分三篇博客分别来总结，对于知道上面三点的人，但是又不是非常了解全面知识点的码农来说，没有关系的，我们可以慢慢来学习，来理解，或者我总结不全面的或者不好地方可以留言，学习本来就是要互动，才有提高。当然对于那些知识大牛来说，也可以看下，如果我总结不好的话，也可以提提意见，我也可以多学习学习下！在研究setTimeout与setInterval之前，我们可以先来看看一个小小的demo，其实总结与研究就是要多做demo，因为有的事情我们看起来很简单，真正做起来的时候不是那么一回事。比如如下： for(var i = 1; i <= 3; i++) { setTimeout(function(){ console.log(i); },100); } 如果javascript语言不是很熟悉的话

javascript - setTimeout() vs setInterval()

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问题 What are the minor and major differences between setTimeout() and setInterval() ? I searched the internet but it made me confused! What's the difference between those? 回答1: The main diffrence is setInterval fires again and again in intervals, while setTimeout only fires once. you can get more differnces in simple words in setTimeout or setInterval? 'setInterval' vs 'setTimeout' 回答2: From Javascript timers MDN setTimeout () Calls a function or executes a code snippet after specified delay.

Return value inside a setInterval

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问题 I want to return a value inside a setInterval. I just want to execute something with time interval and here's what I've tried: function git(limit) { var i = 0; var git = setInterval(function () { console.log(i); if (i === limit - 1) { clearInterval(git); return 'done'; } i++; }, 800); } var x = git(5); console.log(x); And it's not working. Is there any other way? What I'm going to do with this is to do an animation for specific time interval. Then when i reached the limit (ex. 5x blink by $()

How to pass intervalID to interval function in javascript?

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问题 In javascript when I create an interval, I want to stop the interval from inside the function, but I don't want to reference the ID value from outside like this var y = setInterval(function(){ clearInterval(y); }, 1000); What I want is to pass a variable similar to this style setTimeout(function(data){alert(data);}, 1000, "data"); This works for setInterval too, except I can't really pass the id value that's returned by the setInterval function, because it gets created after calling it. Right

setInterval and long running functions

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问题 How does setInterval handle callback functions that take longer than the desired interval? I've read that the callback may receive the number of milliseconds late as its first argument, but I was unable to find why it would be late (jitter, or long running functions). And the wonderful follow up, does it behave differently for the common browsers? 回答1: Let me quote an excellent article about timers by John Resig: setTimeout(function(){ /* Some long block of code... */ setTimeout(arguments