Return to Answer

##A Code Review

##Fails to meet requirements.

##Rewrite

##Update \$O(1)\$ solution

A Code Review

Fails to meet requirements.

Rewrite

Update \$O(1)\$ solution

function crop(message, maxLength) {
 if (maxLength < 1) { return "" }
 if (message.length <= maxLength) { return message.trimEnd() }
 while (--maxLength && message[maxLength] !== " ");
 return message.substring(0, maxLength).trimEnd();
}

function crop(message, maxLength) {
 if (maxLength < 1) { return "" }
 if (message.length <= maxLength) { return message.trimEnd() }
 maxLength++;
 while (--maxLength && message[maxLength] !== " ");
 return message.substring(0, maxLength).trimEnd();
}

function crop(message, maxLength) {
 if (message.length <= maxLength) { return message.trimEnd() }
 if (message[maxLength] === " ") { return message.substring(0, maxLength).trimEnd() }
 while (--maxLength && message[maxLength] !== " ");
 return message.substring(0, maxLength).trimEnd();
}

function crop(message, maxLength) {
 if (maxLength < 1) { return "" }
 if (message.length <= maxLength) { return message.trimEnd() }
 while (--maxLength && message[maxLength] !== " ");
 return message.substring(0, maxLength).trimEnd();
}