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---
title: URLSearchParams
slug: Web/API/URLSearchParams
translation_of: Web/API/URLSearchParams
---
<p>{{ApiRef("URL API")}}</p>
<p><strong><code>URLSearchParams</code></strong> інтерфейс визначає корисні методи для роботи з довгими текстовими URL.</p>
<p>Об'єктна реалізація <code>URLSearchParams</code> може використовуватись напряму в {{jsxref("Statements/for...of", "for...of")}} структурі, замість {{domxref('URLSearchParams.entries()', 'entries()')}}: <code>for (var p of mySearchParams)</code> що еквівалентно до <code>for (var p of mySearchParams.entries())</code>.</p>
<h2 id="Конструктор">Конструктор</h2>
<dl>
<dt>{{domxref("URLSearchParams.URLSearchParams", 'URLSearchParams()')}}</dt>
<dd>Конструктор вертає <code>URLSearchParams</code> об'єкт.</dd>
</dl>
<h2 id="Properties">Properties</h2>
<p><em>This interface doesn't inherit any property.</em></p>
<h2 id="Методи">Методи</h2>
<p><em>Інтерфейс на наслідує ніяких методів</em></p>
<dl>
<dt>{{domxref("URLSearchParams.append()")}}</dt>
<dd>Appends a specified key/value pair as a new search parameter.</dd>
<dt>{{domxref("URLSearchParams.delete()")}}</dt>
<dd>Deletes the given search parameter, and its associated value, from the list of all search parameters.</dd>
<dt>{{domxref("URLSearchParams.entries()")}}</dt>
<dd>Returns an {{jsxref("Iteration_protocols","iterator")}} allowing to go through all key/value pairs contained in this object.</dd>
<dt>{{domxref("URLSearchParams.get()")}}</dt>
<dd>Returns the first value associated to the given search parameter.</dd>
<dt>{{domxref("URLSearchParams.getAll()")}}</dt>
<dd>Returns all the values association with a given search parameter.</dd>
<dt>{{domxref("URLSearchParams.has()")}}</dt>
<dd>Returns a {{jsxref("Boolean")}} indicating if such a search parameter exists.</dd>
<dt>{{domxref("URLSearchParams.keys()")}}</dt>
<dd>Returns an {{jsxref("Iteration_protocols", "iterator")}} allowing to go through all <strong>keys </strong>of the key/value pairs contained in this object.</dd>
<dt>{{domxref("URLSearchParams.set()")}}</dt>
<dd>Sets the value associated to a given search parameter to the given value. If there were several values, delete the others.</dd>
<dt>{{domxref("URLSearchParams.toString()")}}</dt>
<dd>Returns a string containg a query string suitable for use in a URL.</dd>
<dt>{{domxref("URLSearchParams.values()")}}</dt>
<dd>Returns an {{jsxref("Iteration_protocols", "iterator")}} allowing to go through all <strong>values </strong>of the key/value pairs contained in this object.</dd>
</dl>
<h2 id="Example">Example</h2>
<pre class="brush: js notranslate">var paramsString = "q=URLUtils.searchParams&topic=api"
var searchParams = new URLSearchParams(paramsString);
//Iterate the search parameters.
for (let p of searchParams) {
console.log(p);
}
searchParams.has("topic") === true; // true
searchParams.get("topic") === "api"; // true
searchParams.getAll("topic"); // ["api"]
searchParams.get("foo") === null; // true
searchParams.append("topic", "webdev");
searchParams.toString(); // "q=URLUtils.searchParams&topic=api&topic=webdev"
searchParams.set("topic", "More webdev");
searchParams.toString(); // "q=URLUtils.searchParams&topic=More+webdev"
searchParams.delete("topic");
searchParams.toString(); // "q=URLUtils.searchParams"
</pre>
<h2 id="Specifications">Specifications</h2>
<table class="standard-table">
<thead>
<tr>
<th scope="col">Specification</th>
<th scope="col">Status</th>
<th scope="col">Comment</th>
</tr>
</thead>
<tbody>
<tr>
<td>{{SpecName('URL', '#urlsearchparams', "URLSearchParams")}}</td>
<td>{{Spec2('URL')}}</td>
<td>Initial definition.</td>
</tr>
</tbody>
</table>
<h2 id="Browser_compatibility">Browser compatibility</h2>
<p>{{ CompatibilityTable() }}</p>
<div id="compat-desktop">
<table class="compat-table">
<tbody>
<tr>
<th>Feature</th>
<th>Chrome</th>
<th>Firefox (Gecko)</th>
<th>Internet Explorer</th>
<th>Opera</th>
<th>Safari</th>
</tr>
<tr>
<td>Basic support</td>
<td>{{CompatChrome(49)}}</td>
<td>{{CompatGeckoDesktop("29.0")}}</td>
<td>{{CompatNo}}</td>
<td>36</td>
<td>{{CompatNo}}</td>
</tr>
<tr>
<td><code>entries()</code>, <code>keys()</code>, <code>values()</code>, and support of <code>for...of</code></td>
<td>{{CompatChrome(49)}}</td>
<td>{{CompatGeckoDesktop("44.0")}}</td>
<td>{{CompatNo}}</td>
<td>36</td>
<td>{{CompatNo}}</td>
</tr>
</tbody>
</table>
</div>
<div id="compat-mobile">
<table class="compat-table">
<tbody>
<tr>
<th>Feature</th>
<th>Android</th>
<th>Android Webview</th>
<th>Firefox Mobile (Gecko)</th>
<th>IE Mobile</th>
<th>Opera Mobile</th>
<th>Safari Mobile</th>
<th>Chrome for Android</th>
</tr>
<tr>
<td>Basic support</td>
<td>{{CompatNo}}</td>
<td>{{CompatChrome(49)}}</td>
<td>{{CompatGeckoMobile("29.0")}}</td>
<td>{{CompatNo}}</td>
<td>{{CompatUnknown}}</td>
<td>{{CompatNo}}</td>
<td>{{CompatChrome(49)}}</td>
</tr>
<tr>
<td><code>entries()</code>, <code>keys()</code>, <code>values()</code>, and support of <code>for...of</code></td>
<td>{{CompatNo}}</td>
<td>{{CompatChrome(49)}}</td>
<td>{{CompatGeckoMobile("44.0")}}</td>
<td>{{CompatNo}}</td>
<td>{{CompatUnknown}}</td>
<td>{{CompatNo}}</td>
<td>{{CompatChrome(49)}}</td>
</tr>
</tbody>
</table>
</div>
<h2 id="See_also">See also</h2>
<ul>
<li>Other URL-related interfaces: {{domxref("URL")}}, {{domxref("URLUtils")}}.</li>
<li><a href="https://developers.google.com/web/updates/2016/01/urlsearchparams?hl=en">Google Developers: Easy URL manipulation with URLSearchParams</a></li>
</ul>
<dl>
</dl>
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