How To Queryselectorall In Jquery

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In this blog post, we will learn how to use jQuery’s equivalent of the
querySelectorAll function, which is used to select multiple elements based on a given
CSS selector.

What is QuerySelectorAll?

The querySelectorAll() method is a JavaScript function that returns a NodeList containing all
elements in the document that match the specified CSS selector(s). This is a powerful function that allows web
developers to quickly and efficiently target and manipulate elements on a webpage.

Using QuerySelectorAll in jQuery

Although jQuery doesn’t have a direct equivalent of querySelectorAll, you can achieve similar
functionality using the jQuery() function, also known as the $() function.

To use the jQuery() function, simply pass your desired CSS selector as a parameter. This
function will return a jQuery object containing all the elements that match the specified selector, which you
can then manipulate using jQuery methods.

Here is an example:

    $(document).ready(function () {
        // Select all the elements with class 'my-class'
        const myElements = $(".my-class");

        // Change the background color of the selected elements
        myElements.css("background-color", "red");
    });

Examples of QuerySelectorAll in jQuery

Let’s look at a few more examples to get a better understanding of how to use the jQuery() function:

Example 1: Selecting elements by tag name

Select all the <p> elements and change their font size:

    $(document).ready(function () {
        const allParagraphs = $("p");
        allParagraphs.css("font-size", "18px");
    });

Example 2: Selecting elements by class

Select all elements with the class ‘highlight’ and change their background color:

    $(document).ready(function () {
        const highlightedElements = $(".highlight");
        highlightedElements.css("background-color", "yellow");
    });

Example 3: Selecting elements by ID

Select an element with the ID ‘my-element’ and change its text:

    $(document).ready(function () {
        const myElement = $("#my-element");
        myElement.text("This is the new text!");
    });

Conclusion

While jQuery doesn’t have a direct equivalent for the querySelectorAll function, you can
achieve the same functionality using the jQuery() or $() function. This
allows you to select multiple elements based on CSS selectors and manipulate them using jQuery’s powerful
methods.