The for(in) statement under javascript obtains the [scrollbar] scroll bar style content of all styles_form special effects

events=[];for(o in O=obj.currentStyle)events.push(o '=' O[o])
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<q id="obj">0</q>
[Ctrl A select all Note: If you need to introduce external Js, you need to refresh to execute

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<script> events=[''];for(o in O=obj.currentStyle)if(/^scrollbar/.test(o))events.push(o+'='+O[o]) obj.innerHTML='<ol>'+events.sort().join('<li>')+'' </script>