| <title>required/optional CSS pseudoclasses part 4</title> |
| button:optional { background: lime; } |
| input:optional { background: lime; } |
| select:optional { background: lime; } |
| textarea:optional { background: lime; } |
| button { background: red; } |
| input { background: red; } |
| select { background: red; } |
| textarea { background: red; } |
| button:required { background: red; } |
| input:required { background: red; } |
| select:required { background: red; } |
| textarea:required { background: red; } |
| <script language="JavaScript" type="text/javascript"> |
| document.getElementById("console").innerHTML += "<li>"+message+"</li>"; |
| v = document.getElementsByName("victim"); |
| for (i = 0; i < v.length; i++) |
| if (document.defaultView.getComputedStyle(v[i], null).getPropertyValue('background-color') == "rgb(0, 255, 0)") |
| <p>All controls should have a green background.</p> |
| <button type="button" name="victim">Lorem ipsum</button> |
| <input name="victim" disabled/> |
| <input type="button" name="victim"/> |
| <select name="victim"></select> |
| <textarea name="victim"></textarea> |