jQuery is a fast and easy to use JavaScript library. JavaScript is commonly used for client-side scripting. JavaScript can be used to enhance UI effects. For example, some very common UI technics like toggle, auto fill, pop-up window and etc. can be easily implemented using JavaScript.
jQuery uses a event-driven logic. Every JavaScript function is triggered by DOM object within a webpage (e.g. <p>, id, class). This feature really speeds up page reaction and also simplifies programming patterns. The traditional JavaScript code is run right when webpage is loaded.
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