Question

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

Answer 1

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

 

 

 

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Answer 2

function UppercaseFirstCharacter(s: string) {
    return s.charAt(0).toUpperCase() + s.substring(1)
}
  
let s: string = 'typescript programming language';
   
s = UppercaseFirstCharacter(s);
   
console.log(s);
   
   
  
   
/*
   
run:
   
"Typescript programming language" 
   
*/

 

 

70+ SQL courses for beginners and professionals