No. acquaintance public development js-sdk micro letter

In fact, micro-channel official document which has been given a very detailed procedure (For details, please refer to https://developers.weixin.qq.com/doc/offiaccount/OA_Web_Apps/JS-SDK.html ) on which the relevant micro-letter web development document, which contains the authorization page, weui and js-sdk;

Questions 1. In a letter made public when the number of micro encounter

　　Due to the impact of mobile phone screen size, fit is the most me a headache; the Internet to find the most is using rem to achieve the purpose of adaptation.

 1 !(function(win, doc) {
 2     function setFontSize() {
 3         // 获取window 宽度
 4         var winWidth = window.innerWidth;
 5         doc.documentElement.style.fontSize = (winWidth / 750) * 100 + 'px';
 6     }
 7     var evt = 'onorientationchange' in win ? 'orientationchange' : 'resize';
 8     var timer = null;
 9     win.addEventListener(evt, function() {
10         clearTimeout(timer);
11 
12         timer = setTimeout(setFontSize, 300);
13     }, false);
14     win.addEventListener("pageshow", function(e) {
15         if (e.persisted) {
16             clearTimeout(timer);
17 
18             timer = setTimeout(setFontSize, 300);
19         }
20     }, false);
21     //初始化
22     setFontSize();
23 }(window, document));