learning$js

.indexOf()

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Term side of the Card
Topic: String
Unit title: .indexOf()
Categories: Method
Explanation side of the Card

Explanation: The method that returns the index of the first occurrence of a specified substring in a string. If the substring is not found, it returns -1.

Browser compatibility:
  • The chrome browser supports this feature starting from version 1
  • The edge browser supports this feature starting from version 12
  • The firefox browser supports this feature starting from version 1
  • The safari browser supports this feature starting from version 1
Availability: