How to remove css from js

JavaScript is a powerful programming language that is widely used in web design for its unique and flexible features. Style is an important part of web design. CSS (Cascading Style Sheet) is a commonly used style language that can add various visual effects to HTML documents. However, sometimes we need to manipulate CSS styles through JavaScript, such as removing the CSS style of an element. In this article, we will introduce several methods to remove CSS styles for a more perfect web design.

Method 1: Through the classList attribute

The classList attribute can add, remove or switch one or more class names in the element. We can use this attribute to clear the class name of the element and remove the corresponding style. The following is an example:

const element = document.getElementById("example"); 
element.classList.remove("classname");

Among them, const element = document.getElementById("example") gets the element with a specific id, and then element.classList.remove("classname") removes the specified class name in the specific element. classname style clear.

Method 2: Through the style attribute

Another commonly used method is to use the style attribute of the element. This property can be used to find a specific property in a stylesheet and set it to a null value. The following is the sample code:

const element = document.getElementById("example");
element.style.width = "";

Among them, const element = document.getElementById("example") gets the element with a specific id, and then element.style.width = "" sets the width attribute of the element to a null value . This will remove the width style on the element.

Method 3: Through the setAttribute method

setAttribute() is an HTML DOM method that can set or change the specified attribute and assign it a specified value. In this case, we will remove the CSS style by setting the property's value to an empty string. The following is a sample code:

const element = document.getElementById("example");
element.setAttribute("style", "");

Among them, const element = document.getElementById("example") gets the element with a specific id, and then element.setAttribute("style", "") sets the element's style attribute to empty String. This will remove all CSS styles from a specific element.

Method 4: Through the removeAttribute method

The last method is to use the removeAttribute() method, which can delete the specified attribute. In this case, we will remove the CSS style using the style attribute of the element it was removed from. The following is a sample code:

const element = document.getElementById("example");
element.removeAttribute("style");

Among them, const element = document.getElementById("example") gets the element with a specific id, and then element.removeAttribute("style") removes the style attribute of the element. This will remove all CSS styles from that element.

Summary

In this article, we introduced four different JavaScript methods to remove CSS styles. These methods have different characteristics and uses, and we can choose the most suitable method according to our needs. Finally, we strongly recommend using appropriate JavaScript methods to manipulate CSS styles in web design to achieve a better user experience.

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