0425ebefe7
Cleaned up the current snippets for consistency and minor problems, added multiple tags to most of them, archived a few.
262 B
262 B
isFunction
Checks if the given argument is a function.
Use typeof to check if a value is classified as a function primitive.
const isFunction = val => typeof val === 'function';
isFunction('x'); // false
isFunction(x => x); // true