where to change htmlwebpackplugin.options code example

Example: vue htmlWebpackPlugin.options.title

// Put this into /vue.config.js
module.exports = {
  chainWebpack: config => {
    config
      .plugin('html')
      .tap(args => {
      args[0].title = '<Your new title>';	// Replace your title here
      return args;
    });
  }
};