/Javascript/React/React load script after render

React load script after render

const loadScript = (url) => new Promise((resolve, reject) => {
  let ready = false;
  if (!document) {
    reject(new Error('Document was not defined'));
  }
  const tag = document.getElementsByTagName('script')[0];
  const script = document.createElement('script');

  script.type = 'text/javascript';
  script.src = url;
  script.async = true;
  script.onreadystatechange = () => {
    if (!ready && (!this.readyState || this.readyState === 'complete')) {
      ready = true;
      resolve(script);
    }
  };
  script.onload = script.onreadystatechange;

  script.onerror = (msg) => {
    console.log(msg);
    reject(new Error('Error loading script.'));
  };

  script.onabort = (msg) => {
    console.log(msg);
    reject(new Error('Script loading aboirted.'));
  };

  if (tag.parentNode != null) {
    tag.parentNode.insertBefore(script, tag);
  }
});


export default loadScript;

Source: stackoverflow.com

Similar codes

3 votes168 views2 answers
Export default class react
Javascript React
0 vote188 views1 answer
Olx clone react
Javascript React
2 votes196 views3 answers
There might be a problem with the project dependency tree. It is likely not a bug in Create React App, but something you need to fix locally.
Javascript React
0 vote163 views1 answer
React native listview date separator site:stackoverflow.com
Javascript React
0 vote149 views1 answer
React build size
Javascript React
0 vote171 views1 answer
React get current date minus 7 days
Javascript React
4 votes149 views2 answers
Import reactdom
Javascript React
0 vote155 views1 answer
Getting state in react-router-dom v6
Javascript React
1 vote147 views5 answers
React date picker
Javascript React
0 vote164 views1 answer
Javascript array filter duplicates in react
Javascript React