jQuery Tutorial: How to set the value of multiple attributes of an element at the same time

jQuery is a popular JavaScript library that is widely used in web development. It simplifies the operation of JavaScript in web pages, allowing developers to complete various operations more quickly and efficiently. In web development, we often encounter situations where we need to set multiple attribute values ​​​​of an element at the same time. jQuery provides a convenient method to achieve this function.

In this tutorial, we will introduce how to use jQuery to set the value of multiple attributes of an element at the same time, and give specific code examples. Let’s learn together!

1. Introduce the jQuery library

First, we need to introduce the jQuery library into the web page. It can be introduced in the following ways:

<script src="https://cdn.staticfile.org/jquery/3.6.0/jquery.min.js"></script>

2. Set the value of multiple attributes of an element

In jQuery, you can use the attr() method to set multiple attributes of an element at the same time. attribute value. For example, we have a <div> element: <pre class='brush:php;toolbar:false;'>&lt;div id=&quot;myDiv&quot;&gt;&lt;/div&gt;</pre><p> We want to set the <code>style, The class and data attribute values ​​can be achieved through the following code: <pre class='brush:php;toolbar:false;'>$(document).ready(function(){ $(&quot;#myDiv&quot;).attr({ &quot;style&quot;: &quot;background-color: red; width: 100px; height: 100px;&quot;, &quot;class&quot;: &quot;myClass&quot;, &quot;data&quot;: &quot;example data&quot; }); });</pre> In the above code, we used the

attr()

method, Pass in an object containing multiple properties and values. In this way, we can set multiple attribute values ​​​​of the <div> element at once. <code>3. Complete Example

The following is a complete example that demonstrates how to set the values ​​of multiple attributes of an element at the same time:

    
    <script src="https://cdn.staticfile.org/jquery/3.6.0/jquery.min.js"></script>



<div id="myDiv"></div>

<script>
    $(document).ready(function(){
        $("#myDiv").attr({
            "style": "background-color: red; width: 100px; height: 100px;",
            "class": "myClass",
            "data": "example data"
        });
    });
</script>

The above is how to use jQuery to set elements at the same time. Methods and concrete code examples for multiple property values. I hope this tutorial can help you and make you more comfortable in web development!