TypeScript/tests/baselines/reference/instanceMemberInitialization.js

//// [instanceMemberInitialization.ts]
class C {
    x = 1;
}

var c = new C();
c.x = 3;
var c2 = new C();
var r = c.x === c2.x;

//// [instanceMemberInitialization.js]
var C = (function () {
    function C() {
        this.x = 1;
    }
    return C;
})();
var c = new C();
c.x = 3;
var c2 = new C();
var r = c.x === c2.x;