git ssb

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window.addEventListener('load', function () {
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  Array.prototype.forEach.call(document.querySelectorAll('.code-examples'), setupCodeExample)
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})
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function setupCodeExample (codeExamples) {
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  // select the current code example
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  selectTab(codeExamples, 1)
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  // attach click handlers
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  Array.prototype.forEach.call(codeExamples.querySelectorAll('.tab'), function (tab, n) {
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    tab.addEventListener('click', selectTab.bind(null, codeExamples, (n+1)))
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  })
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}
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function selectTab (el, n) {
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  // deselect current
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  try { el.querySelector('pre.current').classList.remove('current') } catch (e) {}
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  try { el.querySelector('.tab.current').classList.remove('current') } catch (e) {}
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  // select new
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  el.querySelector('pre:nth-child('+n+')').classList.add('current')
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  el.querySelector('.tab:nth-child('+n+')').classList.add('current')
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}