| 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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