Tell us whatβs happening:
Your code so far
function pairElement(str) {
var arr = str.split('');
var newArr = [];
var interArr = [];
for (var i = 0; i < arr.length; i++) {
switch (arr[i]) {
case 'A':
interArr.push("A,T");
break;
case 'T':
interArr.push("T,A");
break;
case 'C':
interArr.push("C,G");
break;
case 'G':
interArr.push("G,C");
break;
}
}
newArr.push(interArr);
return newArr;
}
pairElement("CTCTA");
Your browser information:
Your Browser User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.139 Safari/537.36
.
Link to the challenge:
https://www.freecodecamp.org/challenges/dna-pairing