d3.axisLeft(scale) Constructs a new left-oriented axis generator for the given scale
axis.ticks(arguments…) axis.ticks([count[, specifier]]) axis.ticks([interval[, specifier]])
axis.tickSize([size]) If size is specified, sets the
axis.tickValues([values]) If a values array is specified, the specified values are used for ticks rather than
Page 2 of 2