zjquery: Add generic event setter/handler.
zjquery: Add generic event setter/handler.

timabbott/zulip,jrowan/zulip,amanharitsh123/zulip,timabbott/zulip,showell/zulip,brainwane/zulip,Galexrt/zulip,punchagan/zulip,vabs22/zulip,zulip/zulip,tommyip/zulip,showell/zulip,brockwhittaker/zulip,shubhamdhama/zulip,verma-varsha/zulip,brainwane/zulip,dhcrzf/zulip,hackerkid/zulip,tommyip/zulip,punchagan/zulip,shubhamdhama/zulip,zulip/zulip,vaidap/zulip,shubhamdhama/zulip,timabbott/zulip,rishig/zulip,brainwane/zulip,vabs22/zulip,hackerkid/zulip,zulip/zulip,jrowan/zulip,tommyip/zulip,eeshangarg/zulip,showell/zulip,rishig/zulip,Galexrt/zulip,vabs22/zulip,vaidap/zulip,kou/zulip,synicalsyntax/zulip,verma-varsha/zulip,jackrzhang/zulip,showell/zulip,dhcrzf/zulip,tommyip/zulip,brainwane/zulip,andersk/zulip,punchagan/zulip,kou/zulip,timabbott/zulip,zulip/zulip,synicalsyntax/zulip,amanharitsh123/zulip,rishig/zulip,timabbott/zulip,eeshangarg/zulip,rht/zulip,verma-varsha/zulip,showell/zulip,verma-varsha/zulip,jackrzhang/zulip,andersk/zulip,jrowan/zulip,rht/zulip,vabs22/zulip,vaidap/zulip,timabbott/zulip,tommyip/zulip,Galexrt/zulip,andersk/zulip,eeshangarg/zulip,mahim97/zulip,amanharitsh123/zulip,Galexrt/zulip,tommyip/zulip,shubhamdhama/zulip,jrowan/zulip,vaidap/zulip,eeshangarg/zulip,dhcrzf/zulip,kou/zulip,jackrzhang/zulip,amanharitsh123/zulip,mahim97/zulip,rht/zulip,brockwhittaker/zulip,kou/zulip,vaidap/zulip,jackrzhang/zulip,synicalsyntax/zulip,Galexrt/zulip,showell/zulip,mahim97/zulip,Galexrt/zulip,synicalsyntax/zulip,brainwane/zulip,vaidap/zulip,mahim97/zulip,brockwhittaker/zulip,verma-varsha/zulip,hackerkid/zulip,rishig/zulip,hackerkid/zulip,jackrzhang/zulip,synicalsyntax/zulip,Galexrt/zulip,hackerkid/zulip,dhcrzf/zulip,kou/zulip,dhcrzf/zulip,shubhamdhama/zulip,tommyip/zulip,punchagan/zulip,zulip/zulip,brainwane/zulip,vabs22/zulip,eeshangarg/zulip,jrowan/zulip,timabbott/zulip,vabs22/zulip,brockwhittaker/zulip,synicalsyntax/zulip,zulip/zulip,andersk/zulip,kou/zulip,mahim97/zulip,rht/zulip,showell/zulip,zulip/zulip,amanharitsh123/zulip,punchagan/zulip,jackrzhang/zulip,verma-varsha/zulip,rishig/zulip,rht/zulip,rishig/zulip,rht/zulip,andersk/zulip,rishig/zulip,rht/zulip,eeshangarg/zulip,punchagan/zulip,punchagan/zulip,mahim97/zulip,dhcrzf/zulip,synicalsyntax/zulip,kou/zulip,hackerkid/zulip,eeshangarg/zulip,brockwhittaker/zulip,brainwane/zulip,andersk/zulip,shubhamdhama/zulip,dhcrzf/zulip,amanharitsh123/zulip,brockwhittaker/zulip,jrowan/zulip,shubhamdhama/zulip,hackerkid/zulip,andersk/zulip,jackrzhang/zulip