ES6 - Set Method has()


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Returns true if element found, otherwise it returns false.

Syntax

Below mentioned is the syntax for has(), where, value is the value to search for in the Set.

set_name.has(value)

Example

<script>
   let names = new Set(['A','B','C','D']);
   console.log(names.has('B'))
</script>

The output of the above code is as follows −

true
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