Integrate suggestion from review to improve consistency with existing code.
1 this.EXPORTED_SYMBOLS = ['checkFromJSM'];
3 this.checkFromJSM = function checkFromJSM(is_op) {
4 is_op(new TextDecoder().encoding, "utf-8", "JSM should have TextDecoder");
5 is_op(new TextEncoder().encoding, "utf-8", "JSM should have TextEncoder");