Intermediate Algorithm Scripting - Search and Replace

JavaScript
1

Tell us what’s happening:
Describe your issue in detail here.

Your code so far


function myReplace(str,before,after) {
 if (before.match(/^[A-Z]/))
{after=after.charAt(0).
toUpperCase+after.slice(1);
}else {
after=after.charAt(0).toLowerCase+after.slice(1);
}

  return str.replace(before,after);

}

console.log(myReplace("i think we should look up there","up","Down"));

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Challenge: Intermediate Algorithm Scripting - Search and Replace

Link to the challenge:

2

You might do a console log of after right before you return. If that doesn’t give you enough of a hint as to why it isn’t working let us know.