Start of main content
Checks if the passed value is primitive or not.
- Create an object from
valand compare it withvalto determine if the passed value is primitive (i.e. not equal to the created object).
const isPrimitive = val => Object(val) !== val;isPrimitive(null); // true
isPrimitive(undefined); // true
isPrimitive(50); // true
isPrimitive('Hello!'); // true
isPrimitive(false); // true
isPrimitive(Symbol()); // true
isPrimitive([]); // false
isPrimitive({}); // falseRecommended snippets
Value is object
JavaScript, Type
Checks if the passed value is an object or not.
Value is string
JavaScript, Type
Checks if the given argument is a string. Only works for string primitives.
Value is number
JavaScript, Type
Checks if the given argument is a number.