The substring()method uses a length value to extract y number of characters starting at x location.

Name: The substring()method uses a length value to extract y number of characters starting at x location.
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Quizplus · Accepted Answer

The substring() method in JavaScript uses start and end index values to extract characters, not a length value. It extracts characters from the start index up to, but not including, the end index.

The Substring()method Uses a Length Value to Extract Y Number