The
Browser support
All major browsers support the
Notes
When using the value through $('#customBtn').val()
In IE When used in this way under (IE kernel), the value obtained is "button", not "test". Under non-IE, the value obtained is "test". Attend the first sentence marked in red above.
This should be distinguished from
Through these two methods, $('#customBtn').val(), $('#customBtn').attr('value') obtains the value in different browsers, as follows:
You can verify this by testing the following code
<html>
<head>
<metahttp-equiv="Content-Type"content="text/html;charset=utf-8"/>
<scripttype="text/javascript"src="jquery-1.4.4.min.js"></script>
<scripttype="text/javascript">
$(function(){
$('#test1').click(function(){
alert($('#customBtn').attr('value'));
});
$('#test2').click(function(){
alert($('#customBtn').val());
});
});
</script>
</head>
<body>
<buttonid="customBtn"value="test">按钮</button>
<inputtype="button"id="test1"value="getattr"/>
<inputtype="button"id="test2"value="getval"/>
</body>
</html>2. Inadvertently put the
<html> <body> <formaction=""> <button>button</button> <inputtype="submit"value="inputsubmit"/> <inputtype="button"value="inputbutton"/> </form> </body> </html>
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