In a JavaScript file, you can start writing jQuery code like this : The Document Ready Event You might have noticed that all jQuery methods in our examples, are inside a document ready event: $(document).ready(function(){ // jQuery methods go here... }); jQuery Syntax The jQuery syntax is tailor-made for selecting HTML elements and performing some action on the element(s). Basic syntax is: $(selector).action() A $ sign to define/access jQuery A (selector) to "query (or find)" HTML elements A jQuery action() to be performed on the element(s) Examples: $(this).hide() - hides the current element. $("p").hide() - hides all

elements. $(".test").hide() - hides all elements with class="test". $("#test").hide() - hides the element with id="test".