From 1552fc8a05ad351650b2a56c5c31905c671f1cdf Mon Sep 17 00:00:00 2001
From: Jörn Zaefferer <joern.zaefferer@gmail.com>
Date: Wed, 11 Sep 2013 22:00:27 +0200
Subject: Spinner: Add isValid method. Fixes #9542 - Spinner: Add isValid()
 method

---
 ui/jquery.ui.spinner.js | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'ui')

diff --git a/ui/jquery.ui.spinner.js b/ui/jquery.ui.spinner.js
index c022413dc..a4912fc7e 100644
--- a/ui/jquery.ui.spinner.js
+++ b/ui/jquery.ui.spinner.js
@@ -418,6 +418,18 @@ $.widget( "ui.spinner", {
 		});
 	},
 
+	isValid: function() {
+		var value = this.value();
+
+		// null is invalid
+		if ( value === null ) {
+			return false;
+		}
+
+		// if value gets adjusted, it's invalid
+		return value === this._adjustValue( value );
+	},
+
 	// update the value without triggering change
 	_value: function( value, allowAny ) {
 		var parsed;
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