Issue details

When navigating around in an React 16.6.3 web application I suddenly get this error message when pressing a button in IE11 only:

Steps to reproduce/test case

Have been unable to provide a minimal use case, sorry.

Please specify which version of Browsersync, node and npm you're running

• Browsersync 2.26.3
• browser-sync-webpack-plugin 2.2.2
• Node 10.13.0
• Npm 6.4.1

Affected platforms

• linux
• windows
• OS X
• freebsd
• solaris
• other (please specify which)

Browsersync use-case

• API
• Gulp
• Grunt
• CLI
• Webpack

for all other use-cases, (gulp, grunt etc), please show us exactly how you're using Browsersync

In my webpack config:

new BrowserSyncPlugin({ host: process.env.IPADDRESS, port: Number(process.env.PORT) + 1, proxy: 'http://' + process.env.IPADDRESS + ':' + process.env.PORT, minify: false, proxyOptions: { // https://github.com/Browsersync/browser-sync/issues/430 xfwd: true, // Forward all headers thru the proxy changeOrigin: false, // Keep the original origin }, open: false, // Open a browser cors: true, // Set the CORS headers to allow CORS }), `