what dollar means in javascript

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In JavaScript, “$” is often used as a shorthand for the global variable jQuery. jQuery is a popular JavaScript library that simplifies DOM manipulation and provides various utilities for web development.

jQuery Library

The “$” symbol is commonly associated with the jQuery library, which provides an easy way to select and manipulate HTML elements on a web page.

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Usage and Example

Here’s an example illustrating the use of “$” with jQuery in JavaScript:


    // Using jQuery to select an element by ID
    const element = $("#myElement");
    element.text("Hello, jQuery!");
  

Other Uses

Aside from jQuery, the “$” symbol can be used as an identifier in variable names and function names in JavaScript.

Conclusion

“$” in JavaScript is commonly associated with the jQuery library, simplifying DOM manipulation and making it easier to work with HTML elements.

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