add get query string function

AKAChing · web-flow · commit 109ff1173f8b · 2020-03-09T13:39:54.000+08:00
diff --git a/getQueryParams/index.js b/getQueryParams/index.js
@@ -0,0 +1,6 @@
+export function getQueryString(name) {
+  let reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)", "i");
+  let r = window.location.search.substr(1).match(reg);
+  if (r != null) return unescape(r[2]);
+  return ''
+}
