How to make first letter of string uppercase in Javascript || Topic : Strings

 How to convert first letter of each word in a string into uppercase in Javascript.

 
 

Problem statement: 

Suppose you are given the below sample input and expected outputs:

Input : a test input

Output : A Test Input

Input : great!! 

Output:  Great!!

you need to convert the first letter or character of each word in the given string into a uppercase character.

Solution Hint: 

There are numerous ways to achieve the expected output but in this post we will use the string.slice method and toUpperCase() to convert the character to uppercase character.

  

  

Solution: 

var input = "a! test input";

function capitalize(input){

    var inArr = input.split(' ');

    var result=[];

    for (element of inArr){

        var sliced = element.slice(1)

        element = element[0].toUpperCase()+sliced;

        result.push(element);

    }

    return result.join(' ');

}

console.log(capitalize(input));

Output :

A! Test Input