4c2690a475
Reason for revert: [Sheriff] Breaks nosnap: http://build.chromium.org/p/client.v8/builders/V8%20Win32%20-%20nosnap%20-%20shared/builds/6943 Original issue's description: > Hook up more import/exports in natives. > > R=jkummerow@chromium.org > > Committed: https://crrev.com/7a918ac9658d11778f39593bfcc19d7c506defd9 > Cr-Commit-Position: refs/heads/master@{#28573} TBR=jkummerow@chromium.org,erik.corry@gmail.com,yangguo@chromium.org NOPRESUBMIT=true NOTREECHECKS=true NOTRY=true Review URL: https://codereview.chromium.org/1154793003 Cr-Commit-Position: refs/heads/master@{#28574}
60 lines
1.2 KiB
JavaScript
60 lines
1.2 KiB
JavaScript
// Copyright 2014 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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(function(global, utils) {
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'use strict';
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%CheckIsBootstrapping();
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var GlobalArray = global.Array;
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// -------------------------------------------------------------------
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// Proposed for ES7
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// https://github.com/tc39/Array.prototype.includes
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// 6e3b78c927aeda20b9d40e81303f9d44596cd904
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function ArrayIncludes(searchElement, fromIndex) {
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var array = $toObject(this);
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var len = $toLength(array.length);
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if (len === 0) {
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return false;
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}
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var n = $toInteger(fromIndex);
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var k;
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if (n >= 0) {
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k = n;
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} else {
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k = len + n;
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if (k < 0) {
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k = 0;
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}
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}
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while (k < len) {
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var elementK = array[k];
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if ($sameValueZero(searchElement, elementK)) {
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return true;
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}
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++k;
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}
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return false;
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}
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// -------------------------------------------------------------------
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%FunctionSetLength(ArrayIncludes, 1);
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// Set up the non-enumerable functions on the Array prototype object.
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$installFunctions(GlobalArray.prototype, DONT_ENUM, [
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"includes", ArrayIncludes
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]);
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})
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