What is the best way to do optional function parameters in JavaScript?

To include optional function parameters in JavaScript, you can try the following,

function myFunc(a, b = 0) {    // function body }

Example

You can try to run the following code to learn how to include optional function parameters −

<html>    <body>       <script>          // default is set to 1          function inc(val1, inc = 1) {             return val1 + inc;          }                    document.write(inc(10,10));          document.write("<br>");          document.write(inc(10));       </script>    </body> </html>
Updated on: 2020-06-23T06:49:42+05:30

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