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10 Days of Javascript - Day 3

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Day 3: Arrays

Task:

Complete the getSecondLargest function in the editor below. It has one parameter: an array, nums, of numbers. The function must find and return the second largest number in nums.

Solution:

In js/arrays.js.

Day 3: Try, Catch, and Finally

Task:

Complete the reverseString function; it has one parameter, s. You must perform the following actions:

1. Try to reverse string using the split, reverse, and join methods.
2. If an exception is thrown, catch it and print the contents of the exception's message on a new line.
3. Print s on a new line. If no exception was thrown, then this should be the reversed string; if an exception was thrown, this should be the original string.

Solution:

In js/try-catch.js.

Day 3: Throw

Task:

Complete the isPositive function below. It has one integer parameter, a. If the value of a is positive, it must return the string YES. Otherwise, it must throw an Error according to the following rules:

• If a is 0, throw an Error with = Zero Error.
• If a is negative, throw an Error with = Negative Error.

Solution:

In js/throw.js.

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