Find Center of Star Graph LeetCode solution in JavaScript

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var findCenter = function (edges) {
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  // InDegree We need to count
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  let indegree = {};
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  for (let item of edges) {
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    for (let i = 0; i < item.length; i++) {
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      if (indegree[item[i]]) {
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        indegree[item[i]] += 1;
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      } else {
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        indegree[item[i]] = 1;
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      }
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      if (indegree[item[i]] === edges.length) {
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        return item[i];
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      }
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    }
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  }
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};