entries(): string[][]

import url from 'pts/url';

export default function() {
  const params = new url.URLSearchParams("key1=value1&key2=value2");

  // 键/值对
  // key1, value1
  // key2, value2
  for(var pair of params.entries()) {
    console.log(pair[0]+ ', '+ pair[1]);
  }
}