Polymer Iron Dropdown

by Online Tutorials Library July 14, 2022

Polymer Iron Dropdown

The <iron-dropdown> element is used to reveal the hidden dropdown content. The implementation of elements that uses iron-dropdown can have comboboxes, menubuttons, selects, etc.

The <iron-dropdown> element displays the attributes where the .dropdown-trigger configured relative to the position of .dropdown-content.

Example

Open command prompt and go to your project folder to implement iron-dropdown element by using the following command:

  <!DOCTYPE html>  <html>     <head>        <title>iron-dropdown</title>        <base href=”https:://polygit.org/components/”>        <script src = “webcomponentsjs/webcomponents-lite.min.js”></script>        <link rel = “import” href=”../iron-dropdown/demo/x-select.html”>        <link rel = “import” href=”../paper-input/paper-input.html”>        <link rel = “import” href=”../paper-button/paper-button.html”>            <style>           .dropdown-trigger{              background-color: DarkCyan ;              border-radius: 4px;              color: white;           }           .dropdown-content {              background-color: white;              line-height: 15px;              border-radius: 5px;              box-shadow: 0px 2px 5px #ccc;              padding: 20px;           }        </style>     </head>         <body>        <h3>Iron-dropdown Example</h3>        <x-select>           <paper-button class = “dropdown-trigger”>Click Me !</paper-button>           <div class = “dropdown-content”>              <p>Hello !!! <br/>              <p>This is an iron-dropdown <br/> example of Polymerjs.</p>           </div>        </x-select>     </body>  </html>  

Output:

Polmer version 2.2.3 is broken for this element. You can use it on upgraded version 2.2.4

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