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How can I make the mousewheel function fire one time only instead of hunderds of times(multiple of times) when the user scrolls.

Here is my work so far,

$(window).bind('mousewheel', function(event) {
console.log("fire")
})
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div></div>
<image src="https://cdn.dribbble.com/users/77760/screenshots/2042501/attachments/363345/potato-4.jpg"></image>

I find logic of detecting ending of scroll from here if scroll not heppend for 250ms then it will take as end of scroll

var i = 0;
$(window).bind('mousewheel', function(event) {
if(i==0){
console.log("fist time")
i++;
}
clearTimeout($.data(this, 'scrollTimer'));
    $.data(this, 'scrollTimer', setTimeout(function() {
        // do something
        console.log("Haven't scrolled in 250ms!");
        i = 0;
    }, 250));
    
})
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
    <div></div>
    <image src="https://cdn.dribbble.com/users/77760/screenshots/2042501/attachments/363345/potato-4.jpg"></image>

javascript - mouse wheel firing more than one time, How can I make the mousewheel function fire one time only instead of hunderds of times(multiple of times) when the user scrolls. Here is my work so far,. Just imagine rolling the mouse wheel so the screen moves down – but only moves down one line at a time. Imagine how frustrating that would be. The next topic I’d like to discuss deals with how to edit the settings that control how far a page moves when you roll the mouse wheel one click.

You could set the eventListener and remove it as soon as its gets triggered, something like this:

$(window).on("mousewheel", function(e){
  console.log("only alerting once");
  $(window).unbind("mousewheel");
});

Some Input Events are fired more than once or without a cause , MouseWheel Event fires two times for every scroll wheel step. MouseUp / MouseDown Event DOES fire MouseEnter / MouseLeave Events. My mouse was double clicking most of the time when I navigate and my middle mouse was even worse, really a nuisance. This is real, and this works. Mouse Clicks More Than Once - How To Fix Your

You are going to want to throttle the scroll event to make sure it doesn't keep firing. Here is an example throttle function:

const throttle = (func, limit) => {
  let inThrottle
  return function() {
    const args = arguments
    const context = this
    if (!inThrottle) {
      func.apply(context, args)
      inThrottle = true
      setTimeout(() => inThrottle = false, limit)
    }
  }
}

You're only allowing the scroll event to fire every x milliseconds. Where limit sets the time in milliseconds to wait before allowing the event to fire again. There are also libraries that provide this sort of functionality such as lodash and RxJs

A useful link: http://underscorejs.org/#throttle

Throttle function taken from: https://codeburst.io/throttling-and-debouncing-in-javascript-b01cad5c8edf

Encyclopaedia Britannica: Or A Dictionary of Arts, Sciences, and , As the loading of fire-pumps is rather difficult, it will be necessary to make two or three the front of this fell place port-fires; then on the front of the spokes form a scroll, all the cases with leaders, so that they may all take fire at the same time. RELATED: How to Use Your Smartphone as a Mouse, Keyboard, and Remote Control for Your PC. By default this setting is registered at “3”, but you can fine tune it to respond at any sensitivity between 1 (which means for every notch you scroll on the wheel, the page will go down one line in a 1:1 ratio), up to 100.

You could define a variable to hold the value if the user has scrolled or not, set it to false, then once the user scrolls, set it to true.

Also note, As of jQuery 3.0, .bind() has been deprecated. It is best practice now to use .on() instead.

.on() has been the go to method for attaching event handlers to a document since jquery version 1.7

 var scrolled = false;
    $(window).on('mousewheel', function(event) {
    	if(scrolled === false) { 
        console.log('fire');
        scrolled = true;
    	}
    });
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div></div>
<image src="https://cdn.dribbble.com/users/77760/screenshots/2042501/attachments/363345/potato-4.jpg"></image>

A System of Pyrotechny, On the front of this wheel, form a spiral with wire, to which attach illuminations in the This wheel is to be fired, when the cones are burnt out, which may be done as (which must not project out of the blocks more than 1/16th of an inch), and the may be filled with any coloured charge, but must burn only one at a time. Original Title: Why do I have to click 2,3,4 times for response on mouse? I have good batteries, control panel shows nothing wrong. This has been going on for a week.

Professional JavaScript for Web Developers, Since that time, it has been picked up by Opera, Chrome, and Safari. The mousewheel event fires when the user interacts with the mouse wheel, rolling it the front of the mouse, wheelDelta is a positive multiple of 120; when the mouse wheel  I understand that you would like to change the mouse setting to a single click instead of double click. We will assist you to resolve the issue. I suggest you to follow the steps given below and check if that helps. 1. Press Windows key + X on the keyboard at once. 2. Select Control Panel. Then, select File Explorer Options. 3.

Scrolling event being fired too many times, Every time this scroll event fires, a new thread is going to be created in it; a debounce would prevent these from running at the same time. In this video, I will show you how to fix the mouse click which don't respond upon clicking or easy said the mouse cannot detect your mouse click when you're clicking it. Damn I repeat so much of

Bazaar Exchange and Mart, and Journal of the Household, First, we shall treat of those pieces that are fired at the same time as the The order of firing one of these pieces is the following: let the vertical wheel of its erformance leaves nothing to be desired by the most critical. spectator. the letters, green for the border, and blue for the scroll-work above and below the ; I letters. Having a slight delay makes weapon switch more consistent with mouse wheel, but a high delay will make it harder to cancel it. Weapon Switch Wrap-Around: When enabled, weapons will cycle on a loop when switching through them.

Comments
  • What higher level problem are you trying to solve?
  • it only fires one time. When I scroll again it doe not work
  • kindly check my updated answer may this one meet your requirement
  • @mozs included jquery and this works as expected.
  • it fire only one time. if I scroll again it does not work at all
  • @mozs your original post says How can I make the mousewheel function fire one time only instead of hunderds of times. It only fires one time, so it is working as expected.
  • .on() doesn't make it fire one time, it makes it fire every time. .one() makes it fire one time. See my answer.
  • @nixkuroi .on binds the event handler to the element. the reason this fires once is because we set a boolean value called scrolled, originally set to false, then once the the mousewheel event happens, scrolled is set to true. .one() makes the event only occur once. This has the same outcome. There are many ways to solve problems in javascript and jquery.