1 | ;
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2 |
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3 | /**
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4 | * Checks whether a value is a function
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5 | *
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6 | * **Aliases** _func_, _fn_
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7 | * @function function
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8 | *
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9 | * @example
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10 | * var is = require('predicates');
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11 | *
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12 | * is.function(function() {}); // true
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13 | * is.function(alert); // true
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14 | * is.function('alert'); // false
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15 | *
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16 | * @param {*} value
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17 | * @returns {Boolean}
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18 | */
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19 | module.exports = function isFunction(value) {
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20 | return Object.prototype.toString.call(value) === '[object Function]';
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21 | };
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22 |
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