AWS, JavaScript, React - Deploy Web Apps on the Cloud - JavaScript String Length

The video tutorial explains how to use the built-in length property in JavaScript. It demonstrates this with an example script where a variable, TXT, contains all 26 letters of the alphabet. The tutorial shows how to output the length of this string by setting the inner HTML property to TXT.length. Upon saving and previewing the file in a web browser, the output displays the length of the variable, which is 26.

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