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HomeWeb Front-endJS TutorialDetailed explanation of how to add elements to divs using jQuery

Detailed explanation of how to add elements to divs using jQuery

Feb 22, 2024 am 09:54 AM
jquerymethodAdd element

Detailed explanation of how to add elements to divs using jQuery

Detailed explanation of how to add elements in divs using jQuery

jQuery is a very powerful JavaScript library that provides many concise and powerful methods to manipulate the DOM element. In web development, it often involves the need to dynamically add elements to the page. In this article, we will introduce in detail the methods of adding elements in divs using jQuery, and provide specific code examples to help readers better understand and apply these methods.

  1. Use the append() method to add elements
    The append() method in jQuery is used to insert specified content at the end of the matching element. You can select the target div to be operated on through the selector, and then use the append() method to add elements. The following is a simple example:
<script src="https://cdn.bootcdn.net/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
<script>
  $(document).ready(function(){
    $("#targetDiv").append("<p>新添加的段落</p>");
  });
</script>

<div id="targetDiv">
  <!-- 这里是目标div -->
</div>

In the above code, the jQuery library is first introduced, and then the append() method is used in the document ready event to add a new div with the id of targetDiv. Paragraph element.

  1. Use the appendTo() method to add elements
    In addition to appending content after the target element, you can also use the appendTo() method in jQuery to add content to the end of the specified element. Here is an example:
<script>
  $(document).ready(function(){
    $("<p>新添加的段落</p>").appendTo("#targetDiv");
  });
</script>

In the above code, by creating a new paragraph element and adding it to the div with the id of targetDiv.

  1. Add elements using prepend() method and prependTo() method
    Similar to append() method and appendTo() method, jQuery also provides prepend() method and prependTo() method, Used to add content at the beginning of the target element. The sample code is as follows:
<script>
  $(document).ready(function(){
    $("#targetDiv").prepend("<p>新添加的段落</p>");
  });
</script>
<script>
  $(document).ready(function(){
    $("<p>新添加的段落</p>").prependTo("#targetDiv");
  });
</script>

The above two pieces of code implement the use of prepend() method and prependTo() method respectively to add a new paragraph element in the div with the id of targetDiv.

  1. Add elements using the before() method and after() method
    In addition to adding elements inside the target element, you can also use the before() method and after() method in jQuery to add elements to the target element. Add external elements. The sample code is as follows:
<script>
  $(document).ready(function(){
    $("#targetDiv").before("<p>在目标div之前添加</p>");
    $("#targetDiv").after("<p>在目标div之后添加</p>");
  });
</script>

The above code adds a new paragraph element before and after the target div through the before() method and after() method.

Summary: In web development, dynamically adding elements is a very common requirement, and jQuery provides a wealth of methods to achieve this function. Through methods such as append(), appendTo(), prepend(), prependTo(), before(), and after(), you can easily operate DOM elements and add interactivity and dynamics to the page. We hope that through the introduction and sample code of this article, readers can become more proficient in using these methods to achieve the results they want.

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