In practice, the browser provides ways to stop such loops, and in server-side JavaScript, we can kill the process. Any expression or variable can be a loop condition, not just comparisons: the condition is evaluated and converted to a boolean by while. For instance, a shorter way to write while (i != 0) is while (i):

There is much more to learn about browser scripts and their interaction with the webpage. But let’s keep in mind that this part of the tutorial is devoted to the JavaScript language, so we shouldn’t distract ourselves with browser-specific implementations of it. We’ll be using the browser as a way to run JavaScript, which is very ...

A property has a key (also known as “name” or “identifier”) before the colon ":" and a value to the right of it.. In the user object, there are two properties:. The first property has the name "name" and the value "John".; The second one has the name "age" and the value 30.; The resulting user object can be imagined as a cabinet with two signed files labeled “name” and “age”.

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