turnOn Tutorials

#5 Passing anonymous objects as parameters with turnOn

Pass function the Module Id as parameter with turnOn

This page creates a anonymous object and sets it on a div. turnOn then passes this attribute to a JavaScript function, which identifies the element with a queryselector and performs DOM manipulations.

In this tutorial you'll learn how to:

Create a anonymous object in c#
Pass it's data to a JavaScript function

Look at the text below to see the effect.

Requirements

2sxc 7.00

Resources

PageService

turnOn Docs

turnOn Specs

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Passing module parameters with turnOn

#5 Passing anonymous objects as parameters with turnOn

Wait for multiple scripts

Source Code of this file

Below you'll see the source code of the file. Note that we're just showing the main part, and hiding some parts of the file which are not relevant for understanding the essentials. Click to expand the code

@inherits Custom.Hybrid.Razor14
@using ToSic.Razor.Blade;
<!-- unimportant stuff, hidden -->
Pass function the Module Id as parameter... <!-- unimportant stuff, hidden -->

<br>

@* Inject attribute into DIV, to make it accessible for query *@
<div id="turn-on-example">
  turnOn hasn't started yet.
</div>

@{
  // Use the PageService to activate turnOn
  Kit.Page.Activate("turnOn");
  
  // Create an anonymous object and define example settings 
  var exampleObject = new {
    domId = "turn-on-example",
    style = new {
      backgroundColor = "mediumpurple",
      height = 100,
      width = 400
    }
  };
}

@* Passes the exampleObject as parameter in a JSON format and executes the window.turnOnTutorial120.init function *@
<turnOn turn-on='{ 
  "run": "window.turnOnTutorial120.init()", 
  "data": @Html.Raw(Kit.Json.ToJson(exampleObject)) }'></turnOn>

<script src="@App.Path/turn-on/_120-anonymous-object.js"></script>

<!-- unimportant stuff, hidden -->

Source Code of _120-anonymous-object.js

(() => {
  // Data gets passed as a single object, so we need to deconstruct it.
  function init({domId, style}) {
    // The element gets found in the DOM by a querySelector with the passed attribute
    const foundElement = document.querySelector(`#${domId}`)
  
    // apply passed settings on DOM element
    foundElement.style.backgroundColor = style.backgroundColor;
    foundElement.style.height = `${style.height}px`;
    foundElement.style.width = `${style.width}px`;
  
    // Parameters get displayed in the DOM
    foundElement.innerText = `turnOn has passed this data: ${JSON.stringify({domId, style})}`;
  }
  
  const tt = window.turnOnTutorial120 = window.turnOnTutorial120 || {};
  tt.init = tt.init || init;
})();