[JSConf CN Code&Learn]test: replace string concatenation with template literals
requested to merge github/fork/jhao/17.Replace-string-concatenation-with-template-literals into master
…tructor.js with template literals
Checklist
-
make -j4 test
(UNIX), orvcbuild test
(Windows) passes -
tests and/or benchmarks are included -
documentation is changed or added -
commit message follows commit guidelines