JQueryUI DatePicker 设置清空按钮详解编程语言

$.datepicker.setDefaults({ 
	showButtonPanel: true, 
	beforeShow : function( input ) { 
		setTimeout(function() { 
			var buttonPane = $(input) 
			.datepicker( "widget" ) 
			.find( ".ui-datepicker-buttonpane" ); 
			$( "<button>", { 
				text: "清除", 
				click: function() { 
					$.datepicker._clearDate(input); 
				} 
			}).addClass("ui-state-default ui-priority-primary ui-corner-all").appendTo( buttonPane ); 
		}, 1 ); 
	} 
});