Polymer Questions

Lately, everyone is jumping on the web component train for framework-agnostic ui elements. while i am doing my reading on this, it looks a native

I noticed there is much code added to the bundled js for a simple lit-element based web component, and react components set react as a peer

Hello i would like to know how to access variables from other widgets. for example: i would like that when i touch the button of the widget

Scenerio: in my application i have nested shadow-roots, and i want to get an element in the inner

I want to modify this notes app to work with email/password logins instead of using google accounts:

I have a problem with getting html element inside dom-repeat in a function. at first i had this code and it worked ok.

I want to create custom web components and use them in variety of frameworks like angular, react and vanilla javascript. my question is

According to a github issue, this is a follow-up

How to change the color of vaadin-select-text-field from the vaadin-select within page only? for the vaadin-select source, it is not changed. i

I've coded the format number phone but it cannot removable some digits. i cannot handle it. can you please help me?

Firebase hosting is working fine! but this displayed page not found (attached an image) page in two cases: just

How to code the array of images in the localstorage? i cannot make the array of images(base64) into the localstorage. and i want to update

I want to display my data in reverse chronological order of how/when it was entered. in other words, i want the most recent entries to appear at

I've been trying to bind a location value to a "note" (as in the na-notes example in codelabs) via firebase. i'm using the paper-input-place, but

I am trying to disable all dates of all months in vaadin-date-picker. while looking through the code, i found that i can individually disable

I have mydatetime class and it has a variable hour. i need to set this variable with some condition when i create an

I'm using polymer 2 and the paper-dialog component. i have another custom web component which when a button is clicked it needs to display

I am using the following example from vaadin docs with polymer3 <vaadin-grid id="grid" aria-label="remote data example">

I am trying to extent a mixin class in polymer. it works fine but as soon as i try to transpile my code with babel, i get class constructor

Tl;dr how can i define resources such as css/js library global to use it in the polymer components while they are working within their's

I am trying to allow only decimal on paper-input. below are my conditions. should not allow e should allow +, - eg: -23.43 should allow

I've created example for the

I am working on a side project in which the html file is generated and sent to the front end, where it is being formatted and displayed using

I'm facing an issue i want to know how can i import an external javascript "library/ file" to my polymer project. i want to use the htmltopdf.js

I am having a file that serves as a server-mockup, importing all other services and exporting them, so i only have to have a single import in

In my polymer page i get a text from db in a variable and the text contains html tags. how can i change this text to html formated? the text i get

Hi just a very simple question. i have a modal in my polymer 3 page. i want to add a link in the model and open the link in new tab, but its not

I'm using polymer for a project and i just want to display a hamburger menu. the issue is that i can see the clickable zone but the hamburger menu

When i try to hide drawer in login page it occur error. i use dom-if for hiding menubar and according to it's

How can one access the element-scope (this) in a method which is called by a dom-repeater to return items? take a look at

I’m trying to add something to a map of arrays and the value binding does not pick up the change :-( i have something like this:

Take a look at this google-chart: <google-chart id='c1' type='line' options='{"title": "example"}'></google-chart>

Question: how do i automatically execute a function whenever my <paper-dialog> element

I am trying to use polymerelements in my project, have imported all libraries, but there is nothing on the screen (in the console in the dom-tree

Is it possible to create independent web components with stencil or polymer and then nest them one within another? also, is it possible to mix

I'm trying to implement behavior mixins using class extensions as described

Here is my polymer form and javascript. it pushes well. what i want to do is check if it was successful, and i will hide the form and show some

I'll get to the point, i'm fairly new at using polymer and i want to make a registration form that pushes data to php and to a mysql

I´m trying run three.js demo http://jsfiddle.net/hfj7gm6t/ into my polymer app but

I have an element: <dom-module id="ens-page-router"> <template> <iron-pages

I'm having an issue with routing inside my web app, the problem is that i have a different sections in my index.html and on one of those sections

I'm trying to send data from server to website and customize marker on polymer map, using that data. i'm using socket.io and when i try to change

I am trying to create a calendar using fullcalendar in my polymer project. i followed the demo pages provided in the fullcalendar folder, however,

It seems like chrome deprecated /deep/ and >>> and ::shadow:

I've been developing with polymer and i've always put my <script> tags inside my <dom-module> tags. e.g:

Below is the polymer ironresizablebehavior demo modified to fire based on the "resizable" element being hidden or un-hidden rather than just on

I want to get this geomap to behave properly. states start

At the moment i'm writing a chrome extension and in the popup.html i want to use some polymer elements, but my problem is that none

I have js file with this var global_actions ={}; $(document).ready(function () {

Ok so example we have a polymer-starter-kit with user section routing.html is :

I need support how to upload a new image file using polymer and java spring... i created an html form with 2 fields: one file input and a simply text field. i would like

I'm creating a global datastore <datastore /> web component for my polymer application. it is responsible to retrieve/alter data from/on a server.