62 lines
2.1 KiB
Markdown
62 lines
2.1 KiB
Markdown
<a href="https://travis-ci.org/Xotic750/is-function-x"
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title="Travis status">
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<img
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src="https://travis-ci.org/Xotic750/is-function-x.svg?branch=master"
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alt="Travis status" height="18"/>
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</a>
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<a href="https://david-dm.org/Xotic750/is-function-x"
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title="Dependency status">
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<img src="https://david-dm.org/Xotic750/is-function-x.svg"
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alt="Dependency status" height="18"/>
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</a>
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<a href="https://david-dm.org/Xotic750/is-function-x#info=devDependencies"
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title="devDependency status">
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<img src="https://david-dm.org/Xotic750/is-function-x/dev-status.svg"
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alt="devDependency status" height="18"/>
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</a>
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<a href="https://badge.fury.io/js/is-function-x" title="npm version">
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<img src="https://badge.fury.io/js/is-function-x.svg"
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alt="npm version" height="18"/>
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</a>
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<a name="module_is-function-x"></a>
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## is-function-x
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Determine whether a given value is a function object.
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**Version**: 3.3.0
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**Author**: Xotic750 <Xotic750@gmail.com>
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**License**: [MIT](<https://opensource.org/licenses/MIT>)
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**Copyright**: Xotic750
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<a name="exp_module_is-function-x--module.exports"></a>
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### `module.exports(value, [allowClass])` ⇒ <code>boolean</code> ⏏
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Checks if `value` is classified as a `Function` object.
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**Kind**: Exported function
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**Returns**: <code>boolean</code> - Returns `true` if `value` is correctly classified,
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else `false`.
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| Param | Type | Default | Description |
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| --- | --- | --- | --- |
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| value | <code>\*</code> | | The value to check. |
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| [allowClass] | <code>boolean</code> | <code>false</code> | Whether to filter ES6 classes. |
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**Example**
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```js
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var isFunction = require('is-function-x');
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isFunction(); // false
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isFunction(Number.MIN_VALUE); // false
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isFunction('abc'); // false
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isFunction(true); // false
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isFunction({ name: 'abc' }); // false
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isFunction(function () {}); // true
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isFunction(new Function ()); // true
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isFunction(function* test1() {}); // true
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isFunction(function test2(a, b) {}); // true
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isFunction(async function test3() {}); // true
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isFunction(class Test {}); // false
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isFunction(class Test {}, true); // true
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isFunction((x, y) => {return this;}); // true
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```
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