AngularDart & Polymer.dart by a compiler engineer __ cmpl(FieldAddress(field_reg, Field::guarded_cid_offset()), Immediate(kDynamicCid)); __ j(EQUAL, &ok); <cmpl> <FieldAddress>…</FieldAddress>, <Immediate>kDynamicCid</Immediate></cmpl> <j cond="EQUAL" href="#ok"></j> when we were kids DHTML XSLT $HTML var $ul = $("<ul/>", {class: "nav nav-tabs"}); for (var i = 0; i < tabs.length; i++) { $("<li/>")