Question

How to check if the first-letter of a string is uppercase in JavaScript

Answer 1

var s = "javascript css Java php Html";

document.write(CheckFLUpperCase(s));

function CheckFLUpperCase(s) 
{
     var words = s.split(' ');
     var letters = words[0].split('');
     if (letters[0] == letters[0].toUpperCase())
          return true;
     return false
}


/*

run:

false 

*/

 

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Answer 2

var s = "Javascript css Java php Html";

document.write(CheckFLUpperCase(s));

function CheckFLUpperCase(s) 
{
     var words = s.split(' ');
     var letters = words[0].split('');
     if (letters[0] == letters[0].toUpperCase())
          return true;
     return false
}


/*

run:

true 

*/

 

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