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Adding the jQuery document ready and mouse events

From: Create a Tooltip with jQuery and Dreamweaver

Video: Adding the jQuery document ready and mouse events

Now to begin working with our JavaScript file, let's come up to the File menu, let's choose Open. From the desktop, let's choose myTooltip > includes, and let's open up tooltop.js. Now inside of our JavaScript file, the first thing we want to do is use jQuery's document-ready structure. That way, all of the instructions we put inside of there will wait until all of the HTML has been loaded. So we're going to add that by starting with the dollar sign, beginning and ending parentheses. Inside of the parentheses, we're going to type document, outside of the parentheses .ready; another set of parentheses, semicolon. Inside of the parentheses, we're going to type function, beginning and ending parentheses, then beginning and ending bracket, and then let's split that open on the brackets.

Adding the jQuery document ready and mouse events

Now to begin working with our JavaScript file, let's come up to the File menu, let's choose Open. From the desktop, let's choose myTooltip > includes, and let's open up tooltop.js. Now inside of our JavaScript file, the first thing we want to do is use jQuery's document-ready structure. That way, all of the instructions we put inside of there will wait until all of the HTML has been loaded. So we're going to add that by starting with the dollar sign, beginning and ending parentheses. Inside of the parentheses, we're going to type document, outside of the parentheses .ready; another set of parentheses, semicolon. Inside of the parentheses, we're going to type function, beginning and ending parentheses, then beginning and ending bracket, and then let's split that open on the brackets.

So any of the instructions inside up here aren't going to run until all of the HTML has been loaded. Now once the HTML has been loaded, the first thing we want to do is search through the HTML elements, and find any HTML element that's got a tooltip class assigned to it. So we'll do that by starting with the dollar sign, parentheses, two tick marks inside for a string literal. Inside of the string literal we're going to search for .tooltip. Outside of the parentheses, we're going to type .mouseover, beginning and ending parentheses, outside of the parentheses .mousemove, another set of parentheses .mouseout, another set of parentheses, then a semicolon.

So now we're attaching three properties to every tooltip that we find; a mouseover, a mousemove, and a mouseout. Inside of the first set of parentheses, let's come in here and add a function. So we'll type function, beginning and ending parentheses, beginning and ending bracket, and inside of the parentheses we're going to put a little letter e. This is going to capture information about the actual event that's triggering this. So the mouseover event here is going to be captured inside of this function. Let's copy this function, plus the parentheses, plus the e, plus the brackets, copy that to the clipboard.

Let's paste that inside of each of the other two sets of parentheses. Once we have all of these in place, let's come over here and just split these open. This is going to make it a little easier for us to see where we're actually putting our instructions, and then these two should be tabbed in. So now that we're finding all of the elements with the tooltip class and assigning three mouse functions, next we can work on detecting the actual type of tip that's triggering this, and then set the HTML of the tooltip container.

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Create a Tooltip with jQuery and Dreamweaver

18 video lessons · 4191 viewers

Chris Converse
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