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edits
Line 3: | Line 3: | ||
function scrollFunction() { | function scrollFunction() { | ||
if(document.getElementById("myBtn")!=null){ | |||
if (document.body.scrollTop > 20 || document.documentElement.scrollTop > 20) { | if (document.body.scrollTop > 20 || document.documentElement.scrollTop > 20) { | ||
if(document.getElementById("myBtn").style!=null){ | if(document.getElementById("myBtn").style!=null){ |