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How to uppercase (capitalize) the first letter (character) of a string in JavaScript

2 Answers

0 votes
function UppercaseFirstCharacter(s) {
    return s.charAt(0).toUpperCase() + s.slice(1);
}
 
let s = 'javascript programming language';
  
s = UppercaseFirstCharacter(s);
  
console.log(s);
  
  
 
  
/*
  
run:
  
"Javascript programming language"
  
*/

 



answered Jan 25, 2017 by avibootz
edited Jun 5, 2023 by avibootz
0 votes
function UppercaseFirstCharacter(s) {
    return s.charAt(0).toUpperCase() + s.substring(1)
}

let s = 'javascript programming language';
 
s = UppercaseFirstCharacter(s);
 
console.log(s);
 
 

 
/*
 
run:
 
"Javascript programming language"
 
*/

 



answered Jan 25, 2017 by avibootz
edited Jun 5, 2023 by avibootz
...