feat(browser): warnning when browser is not support (#703)

Author: weiyie

lib/browser/client.js

@@ -25,6 +25,13 @@ function getHeader(headers, name) {
   return headers[name] || headers[name.toLowerCase()];
 }
 
+function _unSupportBrowserTip() {
+  const { name, version } = platform;
+  if (name.toLowerCase() === 'ie' && version.split('.')[0] < 10) {
+    // eslint-disable-next-line no-console
+    console.warn('ali-oss does not support the current browser');
+  }
+}
 // check local web protocol,if https secure default set true , if http secure default set false
 function isHttpsWebProtocol() {
   // for web worker not use window.location.
@@ -33,6 +40,7 @@ function isHttpsWebProtocol() {
 }
 
 function Client(options, ctx) {
+  _unSupportBrowserTip();
   if (!(this instanceof Client)) {
     return new Client(options, ctx);
   }