页面切换时，弹出提示

gistfile1.txt

    // 离开页面弹出提示代码: 绑定beforeunload事件
        addBeforeunload: function() {
        	this.delBeforeunload();
        	$(window).bind('beforeunload',function(e){
        		var confirmationMessage = '确定离开此页吗？本页不需要刷新或后退';
        		(e || window.event).returnValue = confirmationMessage;
        		return confirmationMessage;
        	});
        },
        //离开页面弹出提示代码: 解除绑定
        delBeforeunload: function() {
        	$(window).unbind('beforeunload');
        }