diff --git a/snippets/isNull.md b/snippets/isNull.md new file mode 100644 index 000000000..353dff34d --- /dev/null +++ b/snippets/isNull.md @@ -0,0 +1,14 @@ +### isNull + +Returns `true` if the specified value is `null`, `false` otherwise. + +Use the strict equality operator to check if the value and of `val` are equal to `null`. + +```js +const isNull = val => val === null; +``` + +```js +isNull(null) // true +isNull('null') // false +``` diff --git a/tag_database b/tag_database index 5c75dfae3..5bcb338a5 100644 --- a/tag_database +++ b/tag_database @@ -70,6 +70,7 @@ isBoolean:utility isDivisible:math isEven:math isFunction:utility +isNull:utility isNumber:utility isPrime:math isString:utility