js获取当前地址栏链接参数

const getUrlParam = (name) => {
  let url = window.location.href,
  reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)"),
  r = url.substr(url.indexOf("?") + 1).match(reg);
  return r != null ? decodeURI(r[2]) : "";
}

使用

getUrlParam('yssToken')

参考链接:
https://juejin.cn/post/6916807295678545934

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