How to modify the style in jquery

jQuery is a popular JavaScript library that provides a large number of features that make writing JavaScript easier and more elegant. Among them, modifying the style of HTML elements is one of the most commonly used operations in jQuery.

In jQuery, you can use the CSS() method to modify the style of HTML elements. Let's take a look at its usage and some examples.

How to use the CSS() method:

The CSS() method passes parameters in the form of key-value pairs and accepts one or more objects with properties and values. You can use this method to set and modify CSS styles.

Syntax:

$(selector).css(property,value)

where selector is the selector of the element to be operated, and property is the element to be set or modified CSS property, value is the value to be set or modified.

You can also use an object {} as a parameter, which will apply a list of keys and values ​​at once, as follows:

$(selector).css({property:value , property:value, ...});

The following are some examples:

1. Modify the background color of the element

Change the id to "test "Set the background color of the element to red:

$("#test").css("background-color", "red");

2. Modify the font of the element Size

Set the font size of the element with class "test" to 20px:

$(".test").css("font-size", "20px" );

3. Modify the width and height of the element

Set the width and height of the element to 200px:

$(selector).css( {"width":"200px", "height":"200px"});

In actual development, you can flexibly use the CSS() method to modify the HTML element style according to your needs to achieve better results. user experience effect.

Summary:

This article introduces methods and examples of using jQuery to modify HTML element styles. It should be noted that when using the CSS() method to set styles, you need to pay attention to passing key-value pairs. form object. These knowledge and methods are essential in front-end development, and they can make it easier for us to achieve various complex style effects.

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