How to find min and max of multiple y-axes in FLOT -

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i using flot plot charts, , not providing max or min value y-axis. getting auto-scaled. want min , max value of y-axes. following code works first y-axis, want multiple axes. 

var min = plot.getaxes().yaxis.min;

loop through yaxes array in options:

var yaxes = plot.getoptions().yaxes; var min = yaxes[0].min; var max = yaxes[0].max; (var = 1; < yaxes.length; i++) {     if (yaxes[i].min < min) {         min = yaxes[i].min;     }     if (yaxes[i].max > max) {         max = yaxes[i].max;     } }

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