Rarely used/ known secrets of Javascript numbers and strings
let num = 1; console.log(1e1); // 10 console.log(2e1); //20 console.log(2e-1); //0.2 console.log(2e-2); //0.02 console.log(2e-3); //0.002 console.log((123456).toString()); //123456 console.log((123456).toString()); //123456 let num2 = 255; console.log(num2.toString(16)); //ff