javascript实现避免页面按钮重复提交

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我是靠谱客的博主害羞板栗，最近开发中收集的这篇文章主要介绍javascript实现避免页面按钮重复提交，觉得挺不错的，现在分享给大家，希望可以做个参考。

概述

复制代码代码如下:

function preventAjax(obj,num){

            obj.disabled = true;

            var num = num;

            var types =obj.type;

            if(types == 'submit'){

                var text = obj.value;

                var time1 = setInterval(function(){

                    obj.value = num;

                    num--;

                    if(obj.value <= 0 ){

                        clearInterval(time1);

                        obj.disabled = false;

                        obj.value = text;

                    }

                },1000);

            }else{

                var text = obj.innerHTML

                var time1 = setInterval(function(){

                    obj.innerHTML = num;

                    num--;

                    if(obj.innerHTML <= 0 ){

                        clearInterval(time1);

                        obj.disabled = false;

                        obj.innerHTML = text;

                    }

                },1000);

            }

        }