How to change "stroke-width" property of line via javascript?

[sagarsiddhpura]

How to change "stroke-width" property of line via javascript?

I tried 

let items = document.getElementsByClassName("dial");
items.forEach(function(item) {
item.style['stroke-width'] = 3;

item.style.strokeWidth = 3;
});

but it did not work. Any pointers?

[Gondwana]

I can't crack it, either. Seems like a bug.

[Emiliyan]

I think the stroke and fill properties are not changeable via JS.

[majdnemkocka]

As per the documentation:

The Fitbit rendering engine does not support the CSS stroke or border properties. To achieve a similar effect you need to draw two overlapping shapes.

The larger background shape should be filled with the desired border color, and the smaller foreground shape should be filled with the desired foreground color.

[kozm0naut]

It appears this does work now, not sure what SDK version this was fixed but as of SDK 6.1 the stroke width can be changed via .style.strokeWidth in js

let myLine = document.getElementById("my-line");
myLine.style.strokeWidth = 10;