justGage - increase and decrease value with buttons
问题 I'm using justGage (a plugin for generating and animating nice & clean dashboard gauges) to program some graphs - I need to be able to increase and decrease the value by clicking a button. I can do this by using refresh (g1.refresh(20);) - but that makes the value 20...it doesn't increase it by 20. Can anyone help please ? Many thanks Al 回答1: I couldn't find a method for retrieving the gauge's current value, so I just store that value in a separate variable. Then, every time the gauge is