Parse a query string in JavaScript

Pulls a query string apart into an object, repeated keys included.

function parseQuery(search) {
  const params = {};
  for (const pair of search.replace(/^\?/, "").split("&")) {
    if (!pair) continue;
    const [key, value = ""] = pair.split("=");
    params[decodeURIComponent(key)] = decodeURIComponent(value);
  }
  return params;
}

Keywords and builtins used here

const
continue
decodeURIComponent
for
function
if
of
return

The run, in numbers

Lines: 9
Characters to type: 251
Tokens: 73
Three-star pace: 95 tpm

At the three-star pace of 95 tokens a minute, this run takes about 46 seconds.

Type this snippet

Step 3 of 3 in Data formats, step 42 of 43 in Language basics.

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