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Intro to jQuery for Phase 0
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <title>DOM manipulation with jQuery</title> | |
| <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js"></script> | |
| <script type="text/javascript" src="jquery_example.js"></script> | |
| <style> | |
| img{ | |
| border: 2px solid black; | |
| } | |
| #landof{ | |
| visibility: hidden; | |
| font-size: 2em; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <h1> Hello. Welcome to the jQuery DOM Manipulation Challenge! </h1> | |
| <div class="mascot"> | |
| <h1> My DBC Mascot </h1> | |
| <h3 id="landof">Land of the expanding grasshopper!</h3> | |
| <img src="dbc_logo.jpg"> | |
| </div> | |
| </body> | |
| </html> |
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| $(document).ready(function(){ | |
| //RELEASE 0: | |
| //Link this script and the jQuery library to the jquery_example.html file and analyze what this code does. | |
| $('body').css({'background-color': 'pink'}) | |
| //RELEASE 1: | |
| //Add code here to select elements of the DOM | |
| headingOne = $("h1"); | |
| mascotClass = $(".mascot"); | |
| picture = $("img"); | |
| bodyElement = $('body'); | |
| // This is interesting. When the variables are placed here with no "var" keyword, they don't do anything. | |
| // When defined outside the jQuery function either with or without the "var" keyword, they return an empty | |
| // array. Here, no "var" keyword and it returns everything about the given selector. | |
| //RELEASE 2: | |
| // Add code hese to modify the css and html of DOM element | |
| $("h1").css({"color": "blue", | |
| "border": "2px solid black", | |
| "visibility": "visible" | |
| }) | |
| $("div h1").html("<h1>Grasshoppers!</h1>") | |
| //RELEASE 3: Event Listener | |
| // Add the code for the event listener here | |
| $('img').on('mouseenter', function(e){ | |
| e.preventDefault() | |
| $(this).attr('src', 'grasshopper.jpg') | |
| }) | |
| $('img').on('mouseleave', function(e){ | |
| e.preventDefault() | |
| $(this).attr('src', 'dbc_logo.jpg') | |
| }) | |
| //RELEASE 4 : Experiment on your own | |
| $("img").on("mouseenter", function(){ | |
| $("img").animate({ | |
| width: "50%", | |
| borderWidth: "15px" | |
| }, 2000); | |
| $("#landof").css("visibility", "visible"); | |
| }) | |
| $("img").on("mouseleave", function(){ | |
| $("img").animate({ | |
| width: "393px", | |
| borderWidth: "2px" | |
| }, 2000); | |
| $("#landof").css("visibility", "hidden"); | |
| }) | |
| }) // end of the document.ready function: do not remove or write DOM manipulation below this. |
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