JavaScript: Check whether the given argument is a function
JavaScript fundamental (ES6 Syntax): Exercise-198 with Solution
Write a JavaScript program to check whether the given argument is a function.
- Use typeof to check if a value is classified as a function primitive.
Sample Solution:
JavaScript Code:
//#Source https://bit.ly/2neWfJ2
const isFunction = val => typeof val === 'function';
console.log(isFunction('x'));
console.log(isFunction(x => x));
Sample Output:
false true
Flowchart:
Live Demo:
See the Pen javascript-basic-exercise-198-1 by w3resource (@w3resource) on CodePen.
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