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JavaScript jQuery Basics (2014) Creating a Simple Drawing Application Perform: Part 2

Posted by Attila Bongar
Attila Bongar
7,831 Points

Color sliders are not showing

After opening workspaces and previewing the initial code, the sliders dont show up when pressing the "new color" button. Anyone else has this issue?

3 Answers

Andrew Chalkley
STAFF
Andrew Chalkley
Treehouse Guest Teacher
Andrew Chalkley
Andrew Chalkley
Treehouse Guest Teacher

Hey there,

revealColorSelect is an ID. You're missing a # :)

Attila Bongar
Attila Bongar
7,831 Points

But of course! Haha! Thank you Andrew! Its awesome that a teacher who is on the actual video, takes time to help. I like Treehouse a lot.

Attila Bongar
Attila Bongar
7,831 Points
Attila Bongar
Attila Bongar
7,831 Points

Than you , Andrew, for taking a look.

<!DOCTYPE html>
<html>
<head>
    <title>Simple Drawing Application</title>
    <link rel="stylesheet" href="css/style.css" type="text/css" media="screen" title="no title" charset="utf-8">
</head>
<body>
    <canvas width="600" height="400"></canvas>
    <div class="controls">
        <ul>
            <li class="red selected"></li>
            <li class="blue"></li>
            <li class="yellow"></li>
        </ul>
        <button id="revealColorSelect">New Color</button>
        <div id="colorSelect">
            <span id="newColor"></span>
            <div class="sliders">
                <p>
                    <label for="red">Red</label>
                    <input id="red" name="red" type="range" min=0 max=255 value=0>
                </p>
                <p>
                    <label for="green">Green</label>
                    <input id="green" name="green" type="range" min=0 max=255 value=0>
                </p>
                <p>
                    <label for="blue">Blue</label>
                    <input id="blue" name="blue" type="range" min=0 max=255 value=0>
                </p>
            </div>
            <div>
            <button id="addNewColor">Add Color</button>
            </div>
        </div>
    </div>
    <script src="http://code.jquery.com/jquery-1.11.0.min.js" type="text/javascript" charset="utf-8"></script>
    <script src="js/app.js" type="text/javascript" charset="utf-8"></script>    
</body>
</html>

var color = $(".selected").css("background-color");

$(".controls li").click(function() {
  //deselect sibling elements
  $(this).siblings().removeClass("selected");
  //select clicked element
  $(this).addClass("selected");
  //cache current color
  color = $(this).css("background-color");
});

//when new color is pressed
$("revealColorSelect").click(function() {
  //show or hide color selector
  $("#colorSelect").toggle();
});