Using JavaScript to Add Interactions to Images

index.html

<div id="wrapper">
  <div id="header">
    <h1>Using JavaScript to Add Interactions to Images</h1>
  </div>
  <div id="main">
    <img src="http://wilt.xyz/wp-content/uploads/2015/03/turtle.jpg" id="turtlePic" alt="Turtle">
  </div>           
  <div id="footer">
  </div>
</div>

javascript.markdown

javascript

A Pen by Suzette Franck on CodePen.

License.

script.js

var imgTurtle = document.getElementById('turtlePic');
var oldSrc = imgTurtle.src;

imgTurtle.onmouseover = function () {
    this.src = 'http://wilt.xyz/wp-content/uploads/2015/03/zebra.jpg';
    this.alt = 'ZEBRA!';
}

imgTurtle.onmouseout = function () {
    this.src = oldSrc;
    this.alt = 'TURTLE!';
}

var targetPic = document.getElementById('turtlePic');
targetPic.onclick = function () {
    var leftMarginValue = 0;
    function increaseMargin() {
        leftMarginValue++  // update parameter each time
        targetPic.style.marginLeft = leftMarginValue + 'px' //set left margin
        if (leftMarginValue === 940) { // check finish condition
            clearInterval(movePic);
        }
    }
    var movePic = setInterval(function(){increaseMargin()}, 1) // update every 10ms
}

style.scss

/*Overall Design*/
body {
  background-color: pink;
  font-family: Sans-Serif;
}

#wrapper {
  width: 75em;
  margin: 2em auto;
  background-color: #fff;
}

#header {
  background-color: deepPink;
  margin: 0;
  padding: 1em;
  color: #fff;
}

#main {
  background-color: #fff;
  padding: 1em;
}

#footer {
  background-color: deepPink;
  margin: 0;
  padding: 1em;
  color: #fff;
  clear: both;
}

div#footer a {
  color: #fff;
}

img {
  border: 10px solid deeppink;
  border-radius: 100%;
  display: block;
  width: 200px;
  height: 200px;
}