Checks if `value` is `null` or `undefined`.
isNil(null)
// => true
isNil(void 0)
// => true
isNil(NaN)
// => false
Name | Type | Attribute | Description |
---|---|---|---|
value | The value to check. |
{ "comment": "/**\r\n * Checks if `value` is `null` or `undefined`.\r\n *\r\n * @since 4.0.0\r\n * @category Lang\r\n * @param {*} value The value to check.\r\n * @returns {boolean} Returns `true` if `value` is nullish, else `false`.\r\n * @example\r\n *\r\n * isNil(null)\r\n * // => true\r\n *\r\n * isNil(void 0)\r\n * // => true\r\n *\r\n * isNil(NaN)\r\n * // => false\r\n */", "meta": { "range": [ 334, 384 ], "filename": "isNil.js", "lineno": 19, "path": "C:\\Users\\beaujeup\\projects\\jsdoc-template\\examples\\lodash\\lodash-repo", "code": { "id": "astnode100004978", "name": "isNil", "type": "FunctionDeclaration", "paramnames": [ "value" ] } }, "description": "Checks if `value` is `null` or `undefined`.", "since": "4.0.0", "tags": [ { "originalTitle": "category", "title": "category", "text": "Lang", "value": "Lang" } ], "params": [ { "type": { "names": [ "*" ] }, "description": "The value to check.", "name": "value" } ], "returns": [ { "type": { "names": [ "boolean" ] }, "description": "Returns `true` if `value` is nullish, else `false`." } ], "examples": [ "isNil(null)\r// => true\r\risNil(void 0)\r// => true\r\risNil(NaN)\r// => false" ], "name": "isNil", "longname": "isNil", "kind": "function", "scope": "global", "___id": "T000002R000474", "___s": true, "filepath": "isNil.js" }