parseInt(readLine(),10)
Math.random() // Random no. between 0 and 1
Math.random() * 50 // Random no. between 0 and 50
Math.floor(float)
Math.ceil(float)
isNaN(var) // check whether a value is NaN , not a number
if( isNaN(var) || isNaN(var) ){
throw Error('Both arguments must be numbers.')
}
Number.isInteger(value)
5**3 // exponent
100 % 3 // remainder
let attempts = 10;
attempts--;
attempts++;
let x = 5;
console.log(x++); // 5
console.log(x); // 6
let x = 5;
console.log(++x);//6