js dynamic variable name code example

Example 1: javascript dynamic variable name

var obj = {
  'prop1' : 'test1',
  'prop2' : 'test2'
}

var keys = Object.keys(obj);

for (let i = 0; i < keys.length; i++) {
  var key = keys[i];
  
  // Here you can use a string value as the property name
  var prop = obj[key];
}

Example 2: how i can add dynamic value in string in javascript

const poem = "The Wide Ocean";
const author = "Pablo Neruda";

const favePoem = `My favorite poem is ${poem} by ${author}.`;