How to get and set the element position in jquery

Jquery is a very popular JavaScript library. One of the very important functions is to manipulate elements on the page. In web development, we often need to get and set the position of elements, which is a very important function. This article will introduce how to use Jquery to get and set the position of elements.

1. Get the element position

1. offset() method

offset() method returns the position of the element relative to the upper left corner of the page. The code is as follows:

$(document).ready(function(){
  var offset = $("#box").offset();
  console.log(offset.left);
  console.log(offset.top);
});

2. position() method

position() method returns the position of the element relative to the upper left corner of its parent element. The code is as follows:

$(document).ready(function(){
  var position = $("#box").position();
  console.log(position.left);
  console.log(position.top);
});

3. scrollTop() method

scrollTop() method returns the vertical distance of the current page scrolling. The code is as follows:

$(document).ready(function(){
  var scrollTop = $(window).scrollTop();
  console.log(scrollTop);
});

2. Set the element position

1. offset() method

offset() method can set the position of the element relative to the upper left corner of the page Location. The code is as follows:

$(document).ready(function(){
  $("#box").offset({left:100, top:200});
});

2. css() method

css() method can set the CSS properties of the element. For example, you can set the left and top properties of an element to change its position. The code is as follows:

$(document).ready(function(){
  $("#box").css({left:100, top:200});
});

3. animate() method

The animate() method can smoothly change the position of an element over a period of time. The code is as follows:

$(document).ready(function(){
  $("#box").animate({left:100, top:200}, 1000);
});

This article introduces how to use Jquery to get and set the position of elements. These methods are very useful and can help us implement complex page layouts. Hope this article is helpful to you.

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