JavaScript Jak zdobyć środkowe litery łańcucha
function extractMiddle(str) {
var position;
var length;
if(str.length % 2 == 1) {
position = str.length / 2;
length = 1;
} else {
position = str.length / 2 - 1;
length = 2;
}
return str.substring(position, position + length)
}
console.log(extractMiddle("handbananna"));
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