Strict mode Passingnon-Strict mode Passing
Features:
- ∅
// Copyright (C) 2016 the V8 project authors. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- esid: sec-string.prototype.substr es6id: B.2.3.1 description: Behavior when "start" is a negative number info: | [...] 6. If intStart < 0, let intStart be max(size + intStart, 0). ---*/ assert.sameValue('abc'.substr(-1), 'c'); assert.sameValue('abc'.substr(-2), 'bc'); assert.sameValue('abc'.substr(-3), 'abc'); assert.sameValue('abc'.substr(-4), 'abc', 'size + intStart < 0'); assert.sameValue('abc'.substr(-1.1), 'c', 'floating point rounding semantics');