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CODE EXAMPLE FOR JAVASCRIPT

get cookie value in javascript

const getCookie = (cookie_name) =>{
  // Construct a RegExp object as to include the variable name
  const re = new RegExp(`(?<=${cookie_name}=)[^;]*`);
  try{
    return document.cookie.match(re)[0];	// Will raise TypeError if cookie is not found
  }catch{
    return "this-cookie-doesn't-exist";
  }
}

getCookie('csrftoken')	// ADZlxZaPSa6k4oyelVBa5iWTtLJW8P3Jf7nhW90L2ZWc5Zcq2vKLO1RRFbaKco3C
getCookie('_non_existent') // this-cookie-doesn't-exist
 
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Tagged: #cookie #javascript
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