Chrome Browser Custom Element Error

To fix it, we need to do…

Uncaught TypeError: Failed to construct ‘HTMLElement’: Please use the ‘new’ operator, this DOM object constructor cannot be called as a function.

npm install

npm install babel-plugin-transform-es2015-classes babel-plugin-transform-custom-element-classes --save-dev

.babelrc

// include before transform-es2015-classes
{
  "plugins": [
    "transform-custom-element-classes",
    "transform-es2015-classes"
  ]
}

https://github.com/github/babel-plugin-transform-custom-element-classes