SVG Attributes

canvas.label(1).add({
    text: 'underline',
    size: 20,
    pos: [0, '0.5cy'],
    svgattrs: { 'text-decoration': 'underline' }
})

canvas.label(2).add({
    text: 'line-through',
    size: 20,
    pos: [0, 0],
    svgattrs: { 'text-decoration': 'line-through' }
})

canvas.label(3).add({
    text: 'overline',
    size: 20,
    pos: [0, '-0.5cy'],
    svgattrs: { 'text-decoration': 'overline' }
})