JavaScript Reference/Event Handlers Reference/onChange
Содержание
"onChange" Example
<head>
<script language="JavaScript">
function function1(colors) {
var col = (colors.options[colors.selectedIndex].value);
if (col) {
document.bgColor = col;
}
alert("The background color has changed to "+col)
}
</script></head>
<body>
<select name="colors" onChange="function1(this)">
<option value="white" selected>White</option>
<option value="cyan">Cyan</option>
<option value="ivory">Ivory</option>
</select>
</body>
"onChange" is applied to
+----------------+--------------------------------------------------------------+
| Applied_To |<caption> <input type="text"> |
| |<optgroup> <option> |
| |<select> <textarea> |
+----------------+--------------------------------------------------------------+
"onChange" Properties
+----------------+--------------------------------------------------------------+
| Properties |altKey altLeft |
| |button clientX |
| |clientY ctrlLeft |
| |offsetX offsetY |
| |returnValue screenX |
| |screenY shiftKey |
| |shiftLeft srcElement |
| |type x |
| |y |
+----------------+--------------------------------------------------------------+
"onChange" Syntax and Note
Note:
This event fires when the content of a form element is changed.