Question

How to convert multiple words in a string to uppercase in JavaScript

Answer 1

let str = "The Worlds most reliable Programming Q&A worlds";

const the_word = "Worlds|reliable";

const re = new RegExp(the_word, "gi");
 
str = str.replace(re, function UpperCase(s) { return s.toUpperCase(); });
  
console.log(str);



                   
/*
run:
 
"The WORLDS most RELIABLE Programming Q&A WORLDS"
  
*/
  

 

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Answer 2

let str = "The Worlds most reliable Programming Q&A worlds";
 
str = str.replace(/Worlds|reliable/gi, function UpperCase(s) { return s.toUpperCase(); });
  
console.log(str);



                   
/*
run:
 
"The WORLDS most RELIABLE Programming Q&A WORLDS"
  
*/

 

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