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jquery stops image moving

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2023-05-28 18:31:09629browse

jQuery is a popular JavaScript library that is widely used in the development of interactive web applications. One common use is to animate and move elements on a web page, including images. However, sometimes we need to stop an ongoing image movement animation, such as when the user interacts with an element on the page.

In this article, we will provide some methods and techniques for stopping an ongoing image movement animation.

Method 1: Use the stop() function

In jQuery, the stop() function can be used to stop an ongoing animation or effect. It accepts two optional parameters, the first is a Boolean value indicating whether the animation queue should be cleared, and the second is a Boolean value indicating whether the current animation should be completed. If these parameters are omitted, by default the queue will be cleared and the current animation will be completed.

To use the stop() function in an image moving animation, please follow these steps:

1. Add a class or ID to the image so that it can be selected and controlled through jQuery.

2. Create an image movement animation and save it to a variable so that it can be used in the code behind.

var imageAnimation = $('#picture').animate({left: '+=200px'}, 2000);

3. Use the stop() function to stop the animation.

imageAnimation.stop();

Full code example:

$('#button').click(function() {
  var imageAnimation = $('#picture').animate({left: '+=200px'}, 2000);
  imageAnimation.stop();
});

In this example, when the button is clicked, the image will move 200 pixels from left to right and the animation will last for 2 seconds. However, since the stop() function is called in the button click handler, the animation will stop immediately.

Method 2: Use the clearQueue() function

The clearQueue() function is used to clear the animation queue of one or more elements. If you use this function with the stop() function, you can ensure that the animation does not resume after stopping. All operations in the entire queue will be cleared, including pending operations. This function does not require any parameters.

To use the clearQueue() function in image movement animation, please follow these steps:

1. Add a class or ID to the image so that it can be selected and controlled through jQuery.

2. Create an image movement animation and save it to a variable so that it can be used in the code behind.

var imageAnimation = $('#picture').animate({left: '+=200px'}, 2000);

3. Use the stop() function to stop the animation, and then use the clearQueue() function to clear the queue.

imageAnimation.stop().clearQueue();

Full code example:

$('#button').click(function() {
  var imageAnimation = $('#picture').animate({left: '+=200px'}, 2000);
  imageAnimation.stop().clearQueue();
});

In this example, when the button is clicked, the image will move 200 pixels from left to right and the animation will last for 2 seconds. When the animation stops, the queue is cleared so the animation doesn't repeat.

Method 3: Use the jumpy() function

Thejumpy() function is a function provided by the jQuery extension library, which is used to stop the animation on an element and make it jump to it immediately target location. This function can be useful if your animation is very long or you need it to stop immediately after user interaction.

To use the jumpy() function in an image movement animation, please follow these steps:

1. Add a class or ID to the image so that it can be selected and controlled through jQuery.

2. Create an image movement animation and save it to a variable so that it can be used in the code behind.

var imageAnimation = $('#picture').animate({left: '+=200px'}, 2000);

3. Use the jumpy() function to stop the animation and jump the element to the target position immediately.

imageAnimation.jumpy();

Full code example:

$('#button').click(function() {
  var imageAnimation = $('#picture').animate({left: '+=200px'}, 2000);
  imageAnimation.jumpy();
});

In this example, when the button is clicked, the image will move 200 pixels from left to right and the animation will last for 2 seconds. When the animation stops, the image will immediately jump to its target location.

Summary

jQuery is very useful in web development because it makes it easy to control animation and movement effects on elements. However, when the user interacts with elements on the interface, it is important to ensure that the animation can be stopped so that it does not distract the user or affect the user experience. To do this, we can use the stop(), clearQueue() or jumpy() function to control the moving animation of the image.

Remember, be careful when using these functions to make sure they don't affect other elements or interactions. Additionally, you may want to use appropriate layout and responsive techniques to ensure your pages are usable and accessible across a variety of devices and platforms.

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