Function getQueryVariable

app/core/utils.js:836–839

(param, defaultValue)

}

const getQueryVariable = function (param, defaultValue) {
  const variables = getQueryVariables()
  return variables[param] != null ? variables[param] : defaultValue
}

const getExperimentValueFromQuery = function (param) {
  return { true: 'beta', false: 'control', control: 'control', beta: 'beta' }[getQueryVariable(param)]