javascript code challenges for beginners

javascript code challenges are a great way for beginners to improve their coding skills and learn more about the language. these challenges provide practical programming exercises that can help beginners understand how to solve problems and write efficient code.

in the above code example, we have a simple code challenge that asks us to write a function that takes in an array of numbers and returns the sum of all the numbers. the `sumarray` function loops through each number in the array and adds it to a running total `sum`. finally, the function returns the total sum of all the numbers in the array.

to test the function, we can call `sumarray` with an example input array `[1, 2, 3, 4, 5]` and log the output to the console. in this case, the expected output is `15`, which is the sum of all the numbers in the input array.

by practicing code challenges like this, beginners can improve their problem-solving skills, become more familiar with javascript syntax and features, and gain confidence in their coding abilities. it's important to start with simple challenges like this one and gradually work your way up to more complex problems as you become more comfortable with javascript.

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