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.
<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.
<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.
<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.
<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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