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/** | |
* Copyright 2018 Google Inc. All rights reserved. | |
* | |
* Licensed under the Apache License, Version 2.0 (the "License"); | |
* you may not use this file except in compliance with the License. | |
* You may obtain a copy of the License at | |
* | |
* http://www.apache.org/licenses/LICENSE-2.0 | |
* | |
* Unless required by applicable law or agreed to in writing, software |
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<!doctype html> | |
<html> | |
<head> | |
<title>What's the fastest way to create shadow DOM</title> | |
<meta charset="utf-8"> | |
<meta name="viewport" content="width=device-width, initial-scale=1.0"> | |
<style> | |
body { | |
padding: 3em; | |
font-family: "Roboto", sans-serif; |
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javascript:(function(){'use strict';var _temporalUndefined={};function _temporalAssertDefined(val,name,undef){if(val===undef){throw new ReferenceError(name+' is not defined - temporal dead zone');}return true;}(function(){'use strict';var els=_temporalUndefined;var allCustomElements=_temporalUndefined;var polymerRegisteredElements=_temporalUndefined;var diff=_temporalUndefined;function isCustomEl(el){return el.localName.indexOf('-')!=-1||el.getAttribute('is');}els=[].slice.call(document.querySelectorAll('html /deep/ *')).filter(function(el){return isCustomEl(el);}).map(function(el){return el.getAttribute('is')||el.localName;});allCustomElements=new Set(_temporalAssertDefined(els,'els',_temporalUndefined)&&els);polymerRegisteredElements=Polymer.telemetry.registrations.map(function(el){return el.is;}).filter(function(name){var blacklist=_temporalUndefined;blacklist=['dom-template','array-selector','custom-style'];return(_temporalAssertDefined(blacklist,'blacklist',_temporalUndefined)&&blacklist).indexOf(name)== |
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<!-- based on https://twitter.com/ebidel/status/933496242272747520 --> | |
<!DOCTYPE html> | |
<html lang="en"> | |
<head> | |
<meta charset="UTF-8"> | |
<meta name="viewport" content="width=device-width, initial-scale=1.0"> | |
<meta http-equiv="X-UA-Compatible" content="ie=edge"> | |
<title><responsive-element></title> | |
<link rel="stylesheet" href="styles.css"> | |
</head> |
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<!DOCTYPE html> | |
<!-- | |
Copyright 2012 Eric Bidelman | |
Licensed under the Apache License, Version 2.0 (the "License"); | |
you may not use this file except in compliance with the License. | |
You may obtain a copy of the License at | |
http://www.apache.org/licenses/LICENSE-2.0 |
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/** | |
* @author ebidel@ (Eric Bidelman) | |
* License Apache-2.0 | |
*/ | |
const url = require('url'); | |
const URL = url.URL; | |
const fetch = require('node-fetch'); | |
const API_KEY = '<YOUR API KEY>'; |
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<!-- http://jsbin.com/rageqilava/1/edit?html,output --> | |
<script src="http://www.polymer-project.org/webcomponents.min.js"></script> | |
<script src="http://www.polymer-project.org/polymer.min.js"></script> | |
<link rel="import" href="templates.html" id="templates"> | |
<polymer-element name="foo-bar"> | |
<template> |
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<!DOCTYPE html> | |
<html> | |
<head> | |
<style> | |
body.loading #splash { | |
opacity: 1; | |
} | |
#splash { | |
position: absolute; | |
top: 0; |
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<!DOCTYPE html> | |
<html> | |
<head> | |
<style> | |
body.loading #splash { | |
opacity: 1; | |
} | |
#splash { | |
position: absolute; | |
top: 0; |
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javascript:(function(){(function printStats(){var loadTimes=window.chrome.loadTimes();firstPaint=loadTimes.firstPaintTime*1000;firstPaintTime=firstPaint-(loadTimes.startLoadTime*1000);console.info('First paint took',firstPaintTime,'ms');console.info('Load took',performance.timing.loadEventStart-performance.timing.navigationStart,'ms');var instances=0;if(parseFloat(Polymer.version)<1){instances=[].slice.call(document.querySelectorAll('html /deep/ *')).filter(function(el){return el.localName.indexOf('-')!=-1||el.getAttribute('is');}).length;}else{instances=Polymer.telemetry.instanceCount;}console.info('Custom element instances:',instances);var reflectCount=0;if(Polymer.telemetry){console.info('=== Properties set to reflectToAttribute ===');Polymer.telemetry.registrations.forEach(function(el){for(var prop in el.properties){if(el.properties[prop].reflectToAttribute){console.log(el.is+'.'+prop);reflectCount++;}}});}else{console.info('=== Properties set to reflect ===');Polymer.elements.forEach(function(el){for(var |