I want to change the symbol of the legend from circle to square. is there a flag that I can add to the legend section to change it? my legend section currenlty look like this:
legend: {
enabled: true,
align: 'left'
},
I want it to look like this:
For your area chart you can make the legend symbols square by removing their radius (rounding). For example (API):
legend: {
symbolRadius: 0
}