uppercase string code example

Example 1: uppercase javascript

var str = "Hello World!";
var res = str.toUpperCase();  //HELLO WORLD!

Example 2: how to capitalize string in javascript

const name = 'flavio'
const nameCapitalized = name.charAt(0).toUpperCase() + name.slice(1)

Example 3: string to uppercase

const upperCase = function(names){
    const toLower = names.toLowerCase().split(' ');
    const namesUpper = [];
    for(const wordName of toLower){
        namesUpper.push(wordName[0].toUpperCase() + wordName.slice(1));
    }
    return namesUpper.join(' ');
}

Example 4: upper en java

public class Guru99 {   
    public static void main(String args[]) {       
        String S1 = new String("minúsculas convertidas en mayúsculas");       
 
        // Convertir a UpperCase    
        System.out.println(S1.toUpperCase());   
    }
}

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