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Start your free trialGarrett Miller
4,975 PointsDid not parsefloat or parseInt my prompt and still allowed me to multiply the string.
Wrote it on the fly and there are no errors. Is anyone able to explain why I can multiply a string here?
const endNum = prompt('please enter a number.');
let main = document.querySelector('main');
main.innerHTML = Math.floor(Math.random() * endNum) +1;
//check type console.log(typeof endNum); console.log(typeof (Math.random() * endNum));
1 Answer
Steven Parker
231,236 PointsJavaScript has a mechanism known as type coercion that implicitly converts values from one data type to another when needed to satisfy the requirements of an operator.
For more details, see the MDN page on Type Coercion.