How Do I Check if a JavaScript Variable Falls Within a Specific Range?

Checking a Variable's Range in JavaScript

When working with data in coding, it's often necessary to compare variables to specific ranges of values. In mathematics, this can be done using notation like 18 < age < 30, which ensures that the age variable falls between those two limits.

However, copying this notation directly into an if statement in JavaScript, such as if(18 < age < 30), will not produce the desired result. Instead, we can use logical conjunction (&&) to achieve the same effect.

A logical conjunction is used to combine two or more Boolean expressions into a single one. In this case, we use it to compare the variable age to both 18 and 30. The correct syntax for this is:

if (18 < age &amp;&amp; age < 30)

This will check if the variable age is greater than 18 and less than 30, allowing you to execute the code block within the if statement only if those conditions are met.

The above is the detailed content of How Do I Check if a JavaScript Variable Falls Within a Specific Range?. For more information, please follow other related articles on the PHP Chinese website!