bower_components/jquery/src/attributes/val.js

define( [
	"../core",
	"./support",
	"../core/init"
], function( jQuery, support ) {
var rreturn = /\r/g;
jQuery.fn.extend( {
	val: function( value ) {
		var hooks, ret, isFunction,
			elem = this[ 0 ];
		if ( !arguments.length ) {
			if ( elem ) {
				hooks = jQuery.valHooks[ elem.type ] ||
					jQuery.valHooks[ elem.nodeName.toLowerCase() ];
				if ( hooks &&
					"get" in hooks &&
					( ret = hooks.get( elem, "value" ) ) !== undefined
				) {
					return ret;
				}
				ret = elem.value;
				return typeof ret === "string" ?
					// Handle most common string cases
					ret.replace( rreturn, "" ) :
					// Handle cases where value is null/undef or number
					ret == null ? "" : ret;
			}
			return;
		}
		isFunction = jQuery.isFunction( value );
		return this.each( function( i ) {
			var val;
			if ( this.nodeType !== 1 ) {
				return;
			}
			if ( isFunction ) {
				val = value.call( this, i, jQuery( this ).val() );
			} else {
				val = value;
			}
			// Treat null/undefined as ""; convert numbers to string
			if ( val == null ) {
				val = "";
			} else if ( typeof val === "number" ) {
				val += "";
			} else if ( jQuery.isArray( val ) ) {
				val = jQuery.map( val, function( value ) {
					return value == null ? "" : value + "";
				} );
			}
			hooks = jQuery.valHooks[ this.type ] || jQuery.valHooks[ this.nodeName.toLowerCase() ];
			// If set returns undefined, fall back to normal setting
			if ( !hooks || !( "set" in hooks ) || hooks.set( this, val, "value" ) === undefined ) {
				this.value = val;
			}
		} );
	}
} );
jQuery.extend( {
	valHooks: {
		option: {
			get: function( elem ) {
				// Support: IE<11
				// option.value not trimmed (#14858)
				return jQuery.trim( elem.value );
			}
		},
		select: {
			get: function( elem ) {
				var value, option,
					options = elem.options,
					index = elem.selectedIndex,
					one = elem.type === "select-one" || index < 0,
					values = one ? null : [],
					max = one ? index + 1 : options.length,
					i = index < 0 ?
						max :
						one ? index : 0;
				// Loop through all the selected options
				for ( ; i < max; i++ ) {
					option = options[ i ];
					// IE8-9 doesn't update selected after form reset (#2551)
					if ( ( option.selected || i === index ) &&
							// Don't return options that are disabled or in a disabled optgroup
							( support.optDisabled ?
								!option.disabled : option.getAttribute( "disabled" ) === null ) &&
							( !option.parentNode.disabled ||
								!jQuery.nodeName( option.parentNode, "optgroup" ) ) ) {
						// Get the specific value for the option
						value = jQuery( option ).val();
						// We don't need an array for one selects
						if ( one ) {
							return value;
						}
						// Multi-Selects return an array
						values.push( value );
					}
				}
				return values;
			},
			set: function( elem, value ) {
				var optionSet, option,
					options = elem.options,
					values = jQuery.makeArray( value ),
					i = options.length;
				while ( i-- ) {
					option = options[ i ];
					if ( option.selected =
							jQuery.inArray( jQuery.valHooks.option.get( option ), values ) > -1
					) {
						optionSet = true;
					}
				}
				// Force browsers to behave consistently when non-matching value is set
				if ( !optionSet ) {
					elem.selectedIndex = -1;
				}
				return values;
			}
		}
	}
} );
// Radios and checkboxes getter/setter
jQuery.each( [ "radio", "checkbox" ], function() {
	jQuery.valHooks[ this ] = {
		set: function( elem, value ) {
			if ( jQuery.isArray( value ) ) {
				return ( elem.checked = jQuery.inArray( jQuery( elem ).val(), value ) > -1 );
			}
		}
	};
	if ( !support.checkOn ) {
		jQuery.valHooks[ this ].get = function( elem ) {
			return elem.getAttribute( "value" ) === null ? "on" : elem.value;
		};
	}
} );
} );