javascript 离开网页时 触发函数

                     function AddComfirmClose() {

                        window.parent.document.body.onbeforeunload = function () {

                            window.parent.event.returnValue = "提示?：o你?还1没?有D保存?页3面?。" ;

                                    }

                    }

 

 function   UnComfirmClose() {

 window.parent.document.body.onbeforeunload = null;

}

 

 

 

< input id ="saveflag" onclick="AddComfirmClose()" value="添加提示" />

< input id ="saveflag" onclick="UnComfirmClose()" value="删除提示" />

 

转载于:https://www.cnblogs.com/dudu837/archive/2012/06/05/2536889.html