Strict mode Passingnon-Strict mode Passing
Features:
- Symbol.replace
// Copyright (C) 2015 the V8 project authors. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- description: Invocation of `exec` method es6id: 21.2.5.8 info: | [...] 13. Repeat, while done is false a. Let result be RegExpExec(rx, S). [...] 21.2.5.2.1 Runtime Semantics: RegExpExec ( R, S ) [...] 3. Let exec be Get(R, "exec"). 4. ReturnIfAbrupt(exec). 5. If IsCallable(exec) is true, then a. Let result be Call(exec, R, «S»). features: [Symbol.replace] ---*/ var r = /./; var callCount = 0; var arg = { toString: function() { return 'string form'; } }; var thisValue, args; r.exec = function() { thisValue = this; args = arguments; callCount += 1; return null; }; r[Symbol.replace](arg, ''); assert.sameValue(callCount, 1); assert.sameValue(thisValue, r); assert.sameValue(args.length, 1); assert.sameValue(args[0], 'string form');