capitalization.js

console.log(capitalization("hello my name is yogendra")) // Hello My Name Is Yogendra

function capitalization(sentence) {
    let temp = sentence.split(" ");
    let modifiedTemp = temp.map(item => {
        let res = item[0].toUpperCase() + item.substring(1);
        return res;
    })
    return modifiedTemp.join(" ");
}