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https://github.com/web-platform-tests/wpt
26 December 2018, 22:31:15 UTC
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Tip revision: 98cc5c8bb77ef18be9c4464c8e66873654ade128 authored by Chris Lilley on 11 April 2018, 09:30:00 UTC
quick test to see if descriptor supported anywhere
Tip revision: 98cc5c8
urlsearchparams-append.html 
<!doctype html>
<html>
<head>
<meta charset="utf8">
<link rel="help" href="http://url.spec.whatwg.org/#dom-urlsearchparams-append">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
test(function() {
    var params = new URLSearchParams();
    params.append('a', 'b');
    assert_equals(params + '', 'a=b');
    params.append('a', 'b');
    assert_equals(params + '', 'a=b&a=b');
    params.append('a', 'c');
    assert_equals(params + '', 'a=b&a=b&a=c');
}, 'Append same name');

test(function() {
    var params = new URLSearchParams();
    params.append('', '');
    assert_equals(params + '', '=');
    params.append('', '');
    assert_equals(params + '', '=&=');
}, 'Append empty strings');

test(function() {
    var params = new URLSearchParams();
    params.append(null, null);
    assert_equals(params + '', 'null=null');
    params.append(null, null);
    assert_equals(params + '', 'null=null&null=null');
}, 'Append null');

test(function() {
    var params = new URLSearchParams();
    params.append('first', 1);
    params.append('second', 2);
    params.append('third', '');
    params.append('first', 10);
    assert_true(params.has('first'), 'Search params object has name "first"');
    assert_equals(params.get('first'), '1', 'Search params object has name "first" with value "1"');
    assert_equals(params.get('second'), '2', 'Search params object has name "second" with value "2"');
    assert_equals(params.get('third'), '', 'Search params object has name "third" with value ""');
    params.append('first', 10);
    assert_equals(params.get('first'), '1', 'Search params object has name "first" with value "1"');
}, 'Append multiple');
</script>
</head>
</html>
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