JavaScript Brain Teasers: Exercise Your Mind/

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Discussion: Alphabet Aerobics

Discussion: Alphabet Aerobics

Execute the code to understand the output and gain insights into generating a string of lowercase letters by converting numbers to characters.

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Verifying the output

Now, it’s time to execute the code and observe the output.

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Javascript (babel-node)
for(i=9,a='';++i<36;)a+=i.toString(36)
console.log(a);

Understanding the output

This JavaScript code is a clever way to create a string containing the English alphabet. It generates a string with lowercase letters by converting each number from 9 to 35 into a character and adding it to a growing string.

Let’s start with the for loop: for(i=9,a='';++i< ...