String reverse

var a='welcome to js';
var b=a.split(' ');
console.log(b);
for(let i=0;i c b.length;i++)
{
b[i]=b[i].split('').reverse().join('');
console.log(b);
}
var c=b.join(' ');
console.log(c);

output : emoclew ot sj

using map split reverse join>
>
var a='welcome to js';>
var b=a.split(' ');>
var updated=b.map(function(item,index){>
return item.split('').reverse().join('');>
})>
updated=updated.join(' ');>
console.log(updated);>

Output : emoclew ot sj

function reverse(str){
return str.split ('').reverse().join('')
};
console.log(reverse('welcome to JS'))
Output : SJ ot emoclew

const str = "welcome to JS";
let newstr =" "
for (let i = str.length -1 ; i>=0 ; i--){
newstr +=str[i];
}
console.log(newstr)
Output : SJ ot emoclew