User:Root/common.js

// OLD WAY - "classic toolbar":
mw.toolbar.addButton({
	imageId: 'mw-customeditbutton-myspecialbutton',
	imageFile: '//upload.wikimedia.org/wikipedia/commons/thumb/a/a4/Gnome-face-smile.svg/22px-Gnome-face-smile.svg.png',
	speedTip: "Title label",
	tagOpen: "Smile (",
	tagClose: ")",
	sampleText: "sample"
});

// NEW WAY - "WikiEditor":
krInsertWikiEditorButton({
	id: 'mw-customeditbutton-myspecialbutton',
	icon: '//upload.wikimedia.org/wikipedia/commons/thumb/a/a4/Gnome-face-smile.svg/22px-Gnome-face-smile.svg.png',
	label: 'Title label',
	insertBefore: 'Smile (',
	insertAfter: ')',
	sampleText: 'sample'
});