Hi,

First thing I notice in the related code/article you posted, as far as I know, you can't pass an array as property of your component in html (<list-component list-object='[... don't work I think). For complex type you have to use javascript. Here you will find an example on how to do that, see property share: github.com/fluster/web-social-shar...

Then I would remove the @Watch('listObject'), I don't think you could have a watch method with parameters. If you still want to use a watcher, try to remove the parameters of the function and do the job inside it.

If it still not works, maybe I would try to change the componentWillLoad in componentDidLoad

Final thought, I don't think you need a method to manipulate the Dom in order to create ul and li elements, you kind of don't use the power of the tool doing so. I would suggest to just iterate on your listObject, which btw. should be declare as an array (string[]) not a a string, in your render method and just render the tags

Hope that helps, have fun