JavaScript Reference/Javascript Methods/focus — различия между версиями
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Текущая версия на 08:22, 26 мая 2010
"focus()" Example
<html>
<body>
<script language="JavaScript">
function function1() {
document.all.myElement.focus();
}
function function2() {
alert("onFocus event has been fired");
}
</script>
<input id="myElement" type="text" value="" onfocus="function2();">
<input type="button"
value="Give focus to the text input element and fire the event"
onclick="function1();">
</body>
</html>
"focus()" is applied to
+----------------+--------------------------------------------------------------+
| Applied_To |<a> <acronym> |
| |<address> <applet> |
| |<area> <b> |
| |<bdo> <big> |
| |<blockquote> <body> |
| |<button> <caption> |
| |<center> <cite> |
| |<custom> <dd> |
| |<del> <dfn> |
| |<dir> <dl> |
| |document <dt> |
| |<em> <embed> |
| |<fieldset> <font> |
| |<form> <frame> |
| |<frameset> <hn> |
| |<hr> <i> |
| |<iframe> <img> |
| |<input type="button"> <input type="checkbox"> |
| |<input type="file"> <input type="image"> |
| |<input type="password"> <input type="radio"> |
| |<input type="reset"> <input type="submit"> |
| |<input type="text"> <ins> |
| |<isindex> <kbd> |
| |<label> <legend> |
| |<li> <listing> |
| |<marquee> <menu> |
| |<object> <ol> |
| |<p> <plaintext> |
| |<pre> <q> |
| |<rt> <ruby> |
| |<s> <samp> |
| |<select> <small> |
| |<span> <strike> |
| |<strong> <sub> |
| |<sup> <table> |
| |<tbody> <td> |
| |<textarea> <tfoot> |
| |<th> <thead> |
| |<tr> <tt> |
| |<u> <ul> |
| |<var> window |
| |<xmp> |
+----------------+--------------------------------------------------------------+
"focus()" Syntax, Parameters and Note
Note:
Gives focus to an element and fires the onFocus event handler.
Syntax:
document.getElementById("elementID").focus()
document.all.elementID.focus() // IE only