test-1.html

<script>
var elem = document
'gesturestart,gesturechange,gestureend,abort,ended,addtrack,change,removetrack,messageerror,message,messageerror,message,animationcancel,animationend,animationiteration,animationstart,copy,cut,DOMContentLoaded,dragend,dragenter,dragleave,dragover,dragstart,drag,drop,fullscreenchange,fullscreenerror,gotpointercapture,keydown,keypress,keyup,lostpointercapture,paste,pointercancel,pointerdown,pointerenter,pointerleave,pointerlockchange,pointerlockerror,pointermove,pointerout,pointerover,pointerup,readystatechange,scroll,selectionchange,selectstart,touchcancel,touchend,touchmove,touchstart,transitioncancel,transitionend,transitionrun,transitionstart,visibilitychange,wheel,afterscriptexecute,auxclick,beforescriptexecute,blur,click,compositionend,compositionstart,compositionupdate,contextmenu,copy,cut,dblclick,DOMActivate,DOMMouseScroll,error,focusin,focusout,focus,fullscreenchange,fullscreenerror,gesturechange,gestureend,gesturestart,keydown,keypress,keyup,mousedown,mouseenter,mouseleave,mousemove,mouseout,mouseover,mouseup,mousewheel,msContentZoom,MSGestureChange,MSGestureEnd,MSGestureHold,MSGestureStart,MSGestureTap,MSInertiaStart,MSManipulationStateChanged,paste,scroll,select,show,touchcancel,touchend,touchmove,touchstart,webkitmouseforcechanged,webkitmouseforcedown,webkitmouseforceup,webkitmouseforcewillbegin,wheel,error,message,open,abort,error,loadend,loadstart,load,progress,webglcontextcreationerror,webglcontextlost,webglcontextrestored,toggle,cancel,close,animationcancel,animationend,animationiteration,animationstart,beforeinput,change,gotpointercapture,input,lostpointercapture,pointercancel,pointerdown,pointerenter,pointerleave,pointermove,pointerout,pointerover,pointerup,transitioncancel,transitionend,transitionrun,transitionstart,formdata,reset,submit,invalid,search,abort,canplaythrough,canplay,durationchange,emptied,ended,error,loadeddata,loadedmetadata,loadstart,pause,playing,play,progress,ratechange,seeked,seeking,stalled,suspend,timeupdate,volumechange,waiting,slotchange,cuechange,enterpictureinpicture,leavepictureinpicture,abort,close,error,versionchange,blocked,upgradeneeded,error,success,abort,complete,error,devicechange,error,addtrack,removetrack,ended,mute,unmute,messageerror,message,complete,merchantvalidation,paymentmethodchange,shippingaddresschange,shippingoptionchange,payerdetailchange,resourcetimingbufferfull,resize,bufferedamountlow,close,closing,error,message,open,error,tonechange,gatheringstatechange,selectedcandidatepairchange,statechange,addstream,connectionstatechange,datachannel,icecandidateerror,icecandidate,iceconnectionstatechange,icegatheringstatechange,negotiationneeded,removestream,signalingstatechange,track,audioprocess,message,activate,contentdelete,install,message,notificationclick,pushsubscriptionchange,push,connect,audioend,audiostart,end,error,nomatch,result,soundend,soundstart,speechend,speechstart,start,voiceschanged,boundary,end,error,mark,pause,resume,start,beginEvent,endEvent,repeatEvent,abort,error,load,resize,scroll,unload,copy,cut,paste,cuechange,addtrack,change,removeTrack,addtrack,change,removetrack,resize,scroll,close,error,message,open,afterprint,animationcancel,animationend,animationiteration,animationstart,appinstalled,beforeprint,beforeunload,blur,copy,cut,devicemotion,deviceorientation,DOMContentLoaded,error,focus,gamepadconnected,gamepaddisconnected,hashchange,languagechange,load,messageerror,message,offline,online,orientationchange,pagehide,pageshow,paste,popstate,rejectionhandled,resize,storage,transitioncancel,transitionend,transitionrun,transitionstart,unhandledrejection,unload,vrdisplayactivate,vrdisplayblur,vrdisplayconnect,vrdisplaydeactivate,vrdisplaydisconnect,vrdisplayfocus,vrdisplaypointerrestricted,vrdisplaypointerunrestricted,vrdisplaypresentchange,messageerror,message,languagechange,abort,error,loadend,loadstart,load,progress,timeout,reset,end,inputsourceschange,selectend,selectstart,select,squeezeend,squeezestart,squeeze,visibilitychange'
.split(',').forEach(s=>{
	// TODO continue to code here
})
</script>