@polymer/polymer
Version:
The Polymer library makes it easy to create your own web components. Give your element some markup and properties, and then use it on a site. Polymer provides features like dynamic templates and data binding to reduce the amount of boilerplate you need to
79 lines (73 loc) • 4.17 kB
HTML
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, minimum-scale=1.0, initial-scale=1, user-scalable=yes">
<script src="../../../perf-tester/perf.js"></script>
<script src="../../../webcomponentsjs/webcomponents-lite.js"></script>
<link rel="import" href="../../polymer.html">
<link rel="import" href="../../lib/mixins/strict-binding-parser.html">
</head>
<body>
<!-- <template>
{{compute(alaksjflkasjflkasjflkasjlfkajslkfjaslkfjaaaaaaaaaaaaaaaaaaaaaaaa)]}
</template>
--> <!-- {{compute(tricky, 'literal\,\'zot\'', this.has.long.log.lo)]} -->
<template>
<span>{{foo}}</span> <span>{{foo.bar}}</span> <span>{{foo.bar.zot}}</span>
Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod
tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam,
quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo
consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse
cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non
proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
<span>{{compute(tricky, 'literal\,\'zot\'')}}</span>
Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod
tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam,
quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo
consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse
cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non
proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
<span>{{compute(tricky, 'literal\,\'zot\'', this.has.a.bogus.ending.bracket)]}</span>
Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod
tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam,
quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo
consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse
cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non
proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
<div class$="{{compute(a, b, c,d,e,f,g,h,i)}}">
Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod
tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam,
quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo
consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse
cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non
proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
<span>{{bindings.and.stuff}}</span>
<div id="zot"><span>[[computeFn(a, 'b', c, "d", 999)]]</span> literal <span>{{a.b}}</span> literally</div>
<div id="zot"><span>[[computeFn(a, 'b', c, "d", 999)]]</span> literal <span>{{a.b}}</span> literally</div>
<div id="zot"><span>[[computeFn(a, 'b', c, "d", 999)]]</span> literal <span>{{a.b}}</span> literally</div>
<div id="zot"><span>[[computeFn(a, 'b', c, "d", 999)]]</span> literal <span>{{a.b}}</span> literally</div>
<div id="zot"><span>[[computeFn(a, 'b', c, "d", 999)]]</span> literal <span>{{a.b}}</span> literally</div>
<div id="zot"><span>[[computeFn(a, 'b', c, "d", 999)]]</span> literal <span>{{a.b}}</span> literally</div>
<div id="zot"><span>[[computeFn(a, 'b', c, "d", 999)]]</span> literal <span>{{a.b}}</span> literally</div>
</div>
</template>
<script>
var COUNT = 1000;
var templates = [];
var template = document.querySelector('template');
for (var i=0; i<COUNT; i++) {
templates[i] = template.cloneNode(true);
}
console.perf();
for (var i=0; i<COUNT; i++) {
const klass = class Foo extends Polymer.StrictBindingParser(Polymer.Element) {
static get _template() { return templates[i]; }
};
customElements.define('foo-' + i, klass);
new klass();
}
console.perfEnd();
</script>
</body>
</html>