ut2/lib/isFunction.js

一个现代 JavaScript 实用工具库。[点击查看在线文档]。

'use strict';

var getTag = require('./internals/getTag.js');
var native = require('./internals/native.js');

function isFunction(value) {
    if (typeof value === 'function') {
        return true;
    }
    var tag = getTag(value);
    return native.functionTags.some(function (item) { return item === tag; });
}

module.exports = isFunction;