记一次h5打开拼多多app

//html部分

<a id="call-app" href="javascript:void(0);" style="display: inline-block;float:right;">

        <input id="download-app" type="hidden" name="storeurl" value="https://android.myapp.com/myapp/detail.htm?apkName=com.xunmeng.pinduoduo&ADTAG=mobile">

        <div class="intoR">

            <span>立即进入</span>

        </div>

    </a>

//js部分

var u = navigator.userAgent;

        var isAndroid = u.indexOf('Android') > -1 || u.indexOf('Adr') > -1; //android终端

       //    更换input的value决定跳转到哪个下载应用页面

        if (!isAndroid) {

            document.getElementById('download-app').value = 'https://apps.apple.com/cn/app/id1229469444';

        } else {

            document.getElementById('download-app').value = 'https://android.myapp.com/myapp/detail.htm?apkName=com.xunmeng.pinduoduo&ADTAG=mobile';

        }

        var ua = navigator.userAgent.toLowerCase();

        var t;

        var config = {

            scheme_IOS: 'pinduoduo://com.xunmeng.pinduoduo',

            scheme_Adr: 'pinduoduo://com.xunmeng.pinduoduo/duo_coupon_landing.html?goods_id=22601078025&pid=8592112_101958852&cpsSign=CC_191014_8592112_101958852_aa2fe711d970ccb958d855ad24c468b6&duoduo_type=2',

            download_url: document.getElementById('download-app').value,

            timeout: 600

        };

        function openclient() {

            var startTime = Date.now();

            var ifr = document.createElement('iframe');

//    创建ifram并指定src

            ifr.src = ua.indexOf('os') > 0 ? config.scheme_IOS : config.scheme_Adr;

            ifr.style.display = 'none';

            document.body.appendChild(ifr);

            var t = setTimeout(function () {

                var endTime = Date.now();

                if (!startTime || endTime - startTime < config.timeout + 200) {

                    window.location = config.download_url;

                } else {

                }

            }, config.timeout);

            window.onblur = function () {

                clearTimeout(t);

            }

        }

        window.addEventListener("DOMContentLoaded", function () {

            document.getElementById("call-app").addEventListener('click',

                openclient, false);

        }, false);