particles.js and window is not defined

Question

When I start my app using node app.js then then I get the following error:

/home/ubuntu/workspace/nodeapp/node_modules/particles.js/particles.js:142         


        

Answer 1

This is because window is a browser object, and it looks like you're trying to load particle.js on the server side, in node.

Try moving your particlesJS.load call into the browser.

From their npm page:

Initialize the plugin on the window.onload event.

window.onload = function() {
  Particles.init({
    selector: '.background'
  });
};