Function _isAssignable

www/js/_hyperscript.js:9904–9908

(expr)

    eltData.listeners.push({ target: listenerTarget, event, handler });
  }
  function _isAssignable(expr) {
    if (expr.type === "classRef") return true;
    if (expr.type === "attributeRef") return true;
    return typeof expr.set === "function";
  }
  function _bind(left, right, target, feature, runtime2) {
    var ctx = runtime2.makeContext(target, feature, target, null);
    var leftSide = _resolveSide(left, target, feature, runtime2, ctx);