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Make .val(undefined) == .val("") and chainable; fixes #4130.

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Ensure .val(null) sets an empty string on IE6/7; fixes #5163.
This commit is contained in:
dmethvin 2010-08-21 10:32:34 +08:00 • committed by John Resig
parent c4e653237f
commit 0636dffc24
2 changed files with 12 additions and 5 deletions
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8
test/unit/attributes.js
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@ -359,14 +359,20 @@ test("val()", function() {
});
var testVal = function(valueObj) {
expect(6);
expect(8);
jQuery("#text1").val(valueObj( 'test' ));
equals( document.getElementById('text1').value, "test", "Check for modified (via val(String)) value of input element" );
jQuery("#text1").val(valueObj( undefined ));
equals( document.getElementById('text1').value, "", "Check for modified (via val(undefined)) value of input element" );
jQuery("#text1").val(valueObj( 67 ));
equals( document.getElementById('text1').value, "67", "Check for modified (via val(Number)) value of input element" );
jQuery("#text1").val(valueObj( null ));
equals( document.getElementById('text1').value, "", "Check for modified (via val(null)) value of input element" );
jQuery("#select1").val(valueObj( "3" ));
equals( jQuery("#select1").val(), "3", "Check for modified (via val(String)) value of select element" );