You can use the Font Awesome Icon Name with the SVG + JS method to display the icons on your page.
Add Icons with the Icon Name
You can add any icon in any style with the icon name when using the SVG+JS method. Just add the class for the style you want to use to select the style of icon, then insert the icon name between the opening and closing <i> element.
Here are some examples:
Where do I find an icon’s name?
When searching for icons, the icon name is directly under the icon itself.
Or, if you have clicked on an icon, the icon name is in the icon preview modal.