Intermediate Algorithm Scripting: DNA Pairing
function pairElement(str) {
//define a map object with all pair possibilities
var map = {T:'A', A:'T', G:'C', C:'G'};
//split str into a char Array
strArr = str.split('');
//replace each Array item with a 2d Array using map
for (var i=0;i<strArr.length;i++){
strArr[i]=[strArr[i], map[strArr[i]]];
}
return strArr;
}
// test here
pairElement("GCG");Intermediate Algorithm Scripting: DNA Pairing
function pairElement(str) {
// Return each strand as an array of two elements, the original and the pair.
var paired = [];
// Function to check with strand to pair.
var search = function(char) {
switch (char) {
case 'A':
paired.push(['A', 'T']);
break;
case 'T':
paired.push(['T', 'A']);
break;
case 'C':
paired.push(['C', 'G']);
break;
case 'G':
paired.push(['G', 'C']);
break;
}
};
// Loops through the input and pair.
for (var i = 0; i < str.length; i++) {
search(str[i]);
}
return paired;
}
// test here
pairElement("GCG");Copyright © 2021 Codeinu
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