React no jsx.

no-jsx.js

render() {
  return React.createElement(
    "div",
    {
      className:
      "helvetica vh-100 vw-100 flex flex-column items-center justify-center f2"
    },
    [
      React.createElement("input", {
        className: "ma2 pa1",
        placeholder: "Name",
        onChange: this.handleChange("firstName")
      }),
      React.createElement("input", {
        className: "ma2 pa1",
        placeholder: "Surname",
        onChange: this.handleChange("lastName")
      }),
      React.createElement("div", {className: 'ma2'}, `Hello ${this.state.firstName} ${this.state.lastName}`)
    ]
  );
}