Recursion - getElementsByClassName

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Sat Jun 05 2021 03:51:19 GMT+0000 (Coordinated Universal Time)

var getElementsByClassName = function(className) {
  const myNodes = [];

  function innerFn(node) {
    if (node.classList && node.classList.value.indexOf(className) > -1) {
      myNodes.push(node)
    }
    node.childNodes.forEach((child) => innerFn(child))
  }
  innerFn(document.body)

  return myNodes;
};

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@ejiwen

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Recursion - 3 exemples Recursion - getElementsByClassName stringifyJSON getElementsByClassName recursion V2

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Recursion - getElementsByClassName

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