When using jQuery in JavaScript, why are there so many dollar signs in the code?

The $() function (AKA the jQuery function) is the core tool in JQuery (and other libraries like prototype and mootools).

This function searches for standard elements in the DOM that are passed to it, once it locates them it returns them in an extended form (with added methods) that allows you to do all manner of things that would take many lines of code without the library.

Learning jQuery, Third Edition $33.57 Step through each of the core concepts of the jQuery library, building an overall picture of its capabilities. Once you have thoroughly covered the basics, the book returns to each concept to cover more advanced examples and techniques. This book is for web designers who want to create interactive elements for their designs, and for developers who want to create the best user interface for their w…

Learning jQuery: Better Interaction Design and Web Development with Simple JavaScript Techniques $19.49 Learning jQuery : Better Interaction Design and Web Development with Simple JavaScript Techniques. This book is for web designers who want to create interactive elements for their designs, and for developers who want to create the best user interface for their web applications. The reader will need the basics of HTML and CSS, and should be comfortable with the syntax of JavaScript. No knowledge of…

Learning jQuery 1.3 $24.86 Better Interaction Design and Web Development with Simple JavaScript Techniques An introduction to jQuery that requires minimal programming experience Detailed solutions to specific client-side problems For web designers to create interactive elements for their designs For developers to create the best user interface for their web applications Packed with great examples, code, and clear expl…

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