问题
I have folloing chart which has month wise equity and debt value
I need to show both the tooltip while mouse hover the month v-axis, i try to add aggregationTarget: 'category'
but its not working.
回答1:
I found the solution, which is need to add focusTarget: 'category'
来源:https://stackoverflow.com/questions/29765750/google-charts-to-show-multiple-tooltip