Valor de JavaScript
s1 = new string('2+2');
console.log(eval(s2)); // output = 2+2
console.log(eval(s2.valueof()); //output = 4
Ankur bijarnia
s1 = new string('2+2');
console.log(eval(s2)); // output = 2+2
console.log(eval(s2.valueof()); //output = 4