1 | exports.instanceOf = function (value, constructorName) {
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2 | return Object.prototype.toString.apply(value) === '[object ' + constructorName + ']'
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3 | }
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4 |
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5 | exports.elm = function (id) {
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6 | return document.getElementById(id)
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7 | }
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8 |
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9 | exports.generateId = function (prefix) {
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10 | return prefix + Math.floor(Math.random() * 10000)
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11 | }
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12 |
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13 | exports.isUndefined = function (value) {
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14 | return typeof value === 'undefined'
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15 | }
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16 |
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17 | exports.isDefined = function (value) {
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18 | return !exports.isUndefined(value)
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19 | }
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20 |
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21 | exports.parseQueryParams = function (locationSearch) {
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22 | var params = {}
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23 | var pairs = locationSearch.substr(1).split('&')
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24 | var keyValue
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25 |
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26 | for (var i = 0; i < pairs.length; i++) {
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27 | keyValue = pairs[i].split('=')
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28 | params[decodeURIComponent(keyValue[0])] = decodeURIComponent(keyValue[1])
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29 | }
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30 |
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31 | return params
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32 | }
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