Using the Triple Equals Sign Operator (`===`) to Check Variable Type and Value

August 15, 2009
devx-admin

In some cases, the JavaScript triple equals sign operator can simplify variable type and value checking. The operator tests both type and value for equivalency. Here’s a simple example HTML page that illustrates the technique.

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Using the Triple Equals Sign Operator (===) to Check Variable Type and Value

Overview

DevX Quick Guide to Data Ingestion

7 Ways Technology Has Changed Traditional Payments

Using the Triple Equals Sign Operator (`===`) to Check Variable Type and Value