Executing Arbitrary JavaScript

<execute>

Executes JavaScript in the given window (or on the main page if window is null).

Attributes

• args - Arguments to pass the function that is run.
• window (optional) - The window in which to run the function.
• script - A function, whose last two parameters are resolve and reject, that will be run. Call resolve when completed, or reject with an error.

const execute = require("demokit/execute");

// Fade button in.
<execute    window = "the-window"
            script =
            {
                function(resolve, reject)
                {
                    var button = document.getElementById("button");
                    var style = button.style;
                
                    button.addEventListener("transitionend", function end()
                    {
                        button.removeEventListener("transitionend");
                        resolve();
                    });

                    style.transition = "opacity 0.5s";                    
                    style.opacity = 1;
                }
            } />