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  // Available variables:
  // - Machine
  // - interpret
  // - assign
  // - send
  // - sendParent
  // - spawn
  // - raise
  // - actions

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  // Available variables:
  // - Machine
  // - interpret
  // - assign
  // - send
  // - sendParent
  // - spawn
  // - raise
  // - actions

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export default class MyClass {
  constructor(x) {
    this.val= x ? x: 'Hello!'
    console.log(`MyClass: ${x}`)
  }
}

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  addStepsAttachments(fileName, folder, callback) {
    fileName = '12345';
    fs.readdir(folder, 'utf8', function(err, filesList) {
      if (!err && filesList.length > 0) {
        const results = [];
        const matchingFiles = filesList
          .filter(file => file.startsWith(fileName))
          .map(file => path.resolve(folder, file));
        
        // just in case there were no matching files

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// @see package.json#browser field
const Raven = require('raven')

if (process.env.NODE_ENV === 'production') {
  Raven.config('YOUR_SENTRY_DSN').install()
}

module.exports = Raven

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/**
 * Code which I test on twitter.com
 * Both tests were runing in Chrome 35.x dev tools
 * 
 * This test just gets all a tags from html and read their content
 * and then write it on end of document (body element)
 * 
 **/

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var id = 'id' + (Math.random()*1e6|0).toString(16);
document.write('<script id="' + id + '" type="text/noexec"></script>');
var marker = document.getElementById(id);
alert(marker.previousElementSibling.src||'inline');
marker.parentNode.removeChild(marker);