JS error message logging

mounted () {
      window.onerror = function (errorMessage, scriptURI, lineNumber, columnNumber, errorObj) {
      let postData = {}
      // eslint-disable-next-line // do not use eslint specification
      postData.content = "Error message:" + errorMessage + "Error file:" + scriptURI + "Error line number:" + lineNumber + "Error column number:" + columnNumber + "Error details:" + errorObj
      addError(postData) / interface to record error information
    }
  }