xxxxxxxxxx
let text = "";
for(let member in list) {
text += list[member];
}
xxxxxxxxxx
var a = 'Hell';
var b = 'o';
a = a.concat(b);
console.log(a);
// output : Hello
xxxxxxxxxx
function replaceAt(str, index, newChar) {
function replacer(origChar, strIndex) {
if (strIndex === index)
return newChar;
else
return origChar;
}
return str.replace(/./g, replacer);
}
let str = 'Hello World';
str = replaceAt(str, 1, 'u');
console.log(str); // Hullo World
Run code snippet
xxxxxxxxxx
let givenString = 'vivekgupta';
let insertAtPosition = 5;
let stringToInsert = ' ';
let arrGivenString = [givenString];
arrGivenString.splice(insertAtPosition, 0, stringToInsert);
let output = arrGivenString.join('');
console.log(output);