Polymer 1.0 Global Variables
Polymer element <iron-meta> is also an option. For me this was the easiest solution.
polymer
How to automate shadow DOM elements using selenium?
There is a very good plugin that can be used with selenium project shadow-automation-selenium. It helps in writing much better, readable and maintainable code. Using this you can access multi level of shadow DOM (up to 4 levels). This uses simple css selector to identify elements. WebElement findElement(String cssSelector) : use this method if want … Read more
Dart vs Polymer vs Bootstrap
Bootstrap is a CSS framework with a set of CSS styles for many common use cases and also a set of common elements that have more advanced functionality built with JavaScript. Polymer has nothing in common with Bootstrap (beside that it is for the web). Polymer is a framework that is based on some new … Read more
Is Google’s Polymer a fully functioning Frontend Framework to Subsitute OR Complement other Frontend Frameworks?
IMHO both are two different things and they both are to serve two different purposes. Though they have some common features to offer, data-binding can be one of them. Polymer If you truly want to use the Awesome Webcomponents, Polymer is one way to achieve that. There are other options like you can go with … Read more
Do custom elements require a close tag?
Yes. Custom elements require a closing tag. Only certain tags in HTML are allowed to be self-closing due to the parser. The following is a complete list of the void elements in HTML: area, base, br, col, command, embed, hr, img, input, keygen, link, meta, param, source, track, wbr and : A non-void element must … Read more
How to query elements within shadow DOM from outside in Dart?
Pseudo selector ::shadow and combinator /deep/ doesn’t work on firefox. Use .shadowRoot var shadowroot = app-element.shadowRoot; shadowroot.querySelector(‘h2’);
Polymer 1.0: How to pass an argument to a Polymer function from an attribute?
You could utilize HTML5 data attributes instead. Try like this: <paper-button id=”foo” on-tap=”bar” data-args=”foo,some other value,2″>Click</paper-button> … <script> (function() { Polymer({ is: ‘example’, properties: {…}, bar: function(e){ var args = e.target.getAttribute(‘data-args’).split(‘,’); // now args = [‘foo’, ‘some other value’, ‘2’] } }); })(); </script>
How to safely load Polymer in unknown environment – multiple versions or namespace?
The solution for now is to rely on package management to resolve Polymer to a single compatible version for a project and its dependencies, and HTML Imports to de-duplicate loading of dependencies from multiple sources. If you vend your elements as Bower packages, then a site can include them, with their dependencies and imports of … Read more
generic throw giving Expected an object to be thrown lint error
throw Object.assign( new Error(myMessage), { code: 402 } ); Throw a regular error and extend it with custom fields. You could also write a reusable error class for that: class CodeError extends Error { constructor(message, code) { super(message); this.code = code; } } throw new CodeError(myMessage, 404); That way, you can distinguish the errors easily … Read more
Is it possible to use Polymer inside of React?
Yes, it is possible. Create a polymer element. <link rel=”import” href=”https://stackoverflow.com/questions/26365545/bower_components/polymer/polymer.html”> Polymer({ is: ‘calender-element’, ready: function(){ this.textContent = “I am a calender”; } }); Make the polymer component a html tag by importing it in a html page. E.g. import it in the index.html of your react application. <link rel=”import” href=”https://stackoverflow.com/questions/26365545/./src/polymer-components/calender-element.html”> Use that element in … Read more