1// Copyright JS Foundation and other contributors, http://js.foundation
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7//     http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15var a = 'abcd';
16var b = 'dfgh';
17
18c = a + b;
19
20assert(c == a + b);
21assert(c === a + b);
22assert(c != a);
23assert(c != b);
24assert(c !== a);
25assert(c !== b);
26assert(c != b + a);
27assert(c !== b + a);
28