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📜  polyfill 调用 - Javascript 代码示例

📅  最后修改于: 2022-03-11 15:03:21.783000             🧑  作者: Mango

代码示例1
Function.prototype.myCall = function (...args) {
  let obj = args[0]
  const params = args.slice(1)

  obj = {
    ...obj,
    fn: this
  }

  return obj.fn(...params)
}