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function: unset


unset(object: Object, path: Array, string): boolean

Removes the property at `path` of `object`. **Note:** This method mutates `object`.

Example(s):

const object = { 'a': [{ 'b': { 'c': 7 } }] }
unset(object, 'a[0].b.c')
// => true

console.log(object)
// => { 'a': [{ 'b': {} }] }

unset(object, ['a', '0', 'b', 'c'])
// => true

console.log(object)
// => { 'a': [{ 'b': {} }] }

Params:

Name Type Attribute Description
object The object to modify.
path The path of the property to unset.

Returns:

boolean

  {
    "comment": "/**\r\n * Removes the property at `path` of `object`.\r\n *\r\n * **Note:** This method mutates `object`.\r\n *\r\n * @since 4.0.0\r\n * @category Object\r\n * @param {Object} object The object to modify.\r\n * @param {Array|string} path The path of the property to unset.\r\n * @returns {boolean} Returns `true` if the property is deleted, else `false`.\r\n * @see get, has, set\r\n * @example\r\n *\r\n * const object = { 'a': [{ 'b': { 'c': 7 } }] }\r\n * unset(object, 'a[0].b.c')\r\n * // => true\r\n *\r\n * console.log(object)\r\n * // => { 'a': [{ 'b': {} }] }\r\n *\r\n * unset(object, ['a', '0', 'b', 'c'])\r\n * // => true\r\n *\r\n * console.log(object)\r\n * // => { 'a': [{ 'b': {} }] }\r\n */",
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        "filename": "unset.js",
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        "code": {
            "id": "astnode100011316",
            "name": "unset",
            "type": "FunctionDeclaration",
            "paramnames": [
                "object",
                "path"
            ]
        }
    },
    "description": "Removes the property at `path` of `object`.\r\r**Note:** This method mutates `object`.",
    "since": "4.0.0",
    "tags": [
        {
            "originalTitle": "category",
            "title": "category",
            "text": "Object",
            "value": "Object"
        }
    ],
    "params": [
        {
            "type": {
                "names": [
                    "Object"
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            "description": "The object to modify.",
            "name": "object"
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            "description": "The path of the property to unset.",
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    "returns": [
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                "names": [
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            "description": "Returns `true` if the property is deleted, else `false`."
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    "see": [
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        "const object = { 'a': [{ 'b': { 'c': 7 } }] }\runset(object, 'a[0].b.c')\r// => true\r\rconsole.log(object)\r// => { 'a': [{ 'b': {} }] }\r\runset(object, ['a', '0', 'b', 'c'])\r// => true\r\rconsole.log(object)\r// => { 'a': [{ 'b': {} }] }"
    ],
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    "kind": "function",
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    "filepath": "unset.js"
}