Differences between the js string indexof and search methods (detailed description), jsindexof

Differences between the js string indexof and search methods (detailed description), jsindexof

1. indexof Method

The indexOf () method returns the position of the first occurrence of a specified string value.

Syntax:

Note:There are optional parameters (that is, set the start retrieval location).

2. search Method

The search () method is used to retrieve the specified substring in a string or a substring that matches a regular expression.

Note: sThe earch method can be used to search for a specified String Based on a regular expression.(Case sensitivity is negligible and global search is not performed ),No optional parameters(That is, set the start retrieval location ).

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