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- <style>
- div {
- width: 50px;
- height: 50px;
- background-color: green;
- }
- div.square {
- width: 100px;
- height: 100px;
- -webkit-transition-property: height;
- -webkit-transition-duration: 2s;
- }
-
- div.rectangle {
- width: 100px;
- height: 200px;
- -webkit-transition-property: width, height;
- -webkit-transition-duration: 5s;
- }
- </style>
- <p id="instructions">
- When you click the Change button, the shape will
- <span id="description"></span>.
- <button style="display: block;" onclick="transition()">Change</button>
- </p>
- <div id="target"></div>
- <script>
- var state = 0;
- var transitions = [
- {className:"rectangle", description:"animate to a large rectangle over 5 seconds."},
- {className:"square", description:"animate to a square over 2 seconds. Try clicking before the first animation finishes and make sure the width doesn't do an ugly jump."},
- {className:"", description:"instantly change to a small square"},
- {className:"square", description:"instantly change into a small rectangle and then animate into a large square over 2 seconds"},
- {className:"rectangle", description:"animate to a large rectangle over 5 seconds"},
- {className:"", description:"instantly change to a small square"}
- ];
- document.getElementById("description").innerText = transitions[0].description;
- function transition()
- {
- var target = document.getElementById("target");
- target.className = transitions[state].className;
- state++;
- if (state < transitions.length)
- document.getElementById("description").innerText = transitions[state].description;
- else {
- document.getElementById("instructions").innerText = "Done.";
- }
- }
- </script>
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