Question

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

Answer 1

var s = "JavaScript css Java php Html";

document.write(CheckFLLowerCase(s));

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


/*

run:

false 

*/

 

70+ SQL courses for beginners and professionals

Answer 2

var s = "javascript css Java php Html";

document.write(CheckFLLowerCase(s));

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


/*

run:

true 

*/

 

70+ SQL courses for beginners and professionals