Is it possible to display two separate pieces of content in two separate divs simultaneously?

import React from "react";
import ReactDOM from "react-dom";

ReactDOM.render(
  <span>Is React a JavaScript library for creating user interfaces?</span>,
  document.getElementById("question1")
)
ReactDOM.render(
  <form class="options">
    <input type="radio" value="Yes" />
    <input type="radio" value="No" />
  </form>,
  document.getElementsByClassName("options-main-container")
);

Can anyone help me identify the issue with this code? I've tried different methods but haven't been able to solve it yet. Your input would be greatly appreciated.

javascriptreactjs

Answer №1

Absolutely, it's completely acceptable to utilize ReactDOM.render multiple times on a single page.

However, there is one issue to consider:

document.getElementsByClassName("options-main-container")

This code will produce an array containing elements with the class name options-main-container. This means you cannot render the element directly using this code. You must either loop through the array or select only the first matching element like so:

document.getElementsByClassName("options-main-container")[0] // Selects the first matching element

Answer №2

When selecting elements in the DOM, consider using querySelector instead of getElementsByClassName. This is because getElementsByClassName returns a nodelist Array, while querySelector returns the first matched element.

import React from "react";
import ReactDOM from "react-dom";

ReactDOM.render(
  <span>Is React a JavaScript library for building user-interfaces?</span>,
  document.getElementById("question1")
)
ReactDOM.render(
  <form class="options">
    <input type="radio" value="Yes" />
    <input type="radio" value="No" />
  </form>,
  document.querySelector(".options-main-container")
);

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