The includes() method checks if one string can be found inside another string.
Example
includes() Syntax
The syntax of the includes() method is:
str.includes(searchString, position)
Here, str is a string.
includes() Parameters
The includes() method takes in:
- searchString - A string to be searched for within str.
- position (optional) - The position within str to begin searching for searchString. By default, it is 0.
includes() Return Value
- Returns true if searchString is found anywhere within str.
- Returns false if searchString is not found anywhere within str.
Note: The includes() method is case sensitive.
Example: Using includes() method
Output
true false false false true
Recommended Reading: JavaScript String indexOf()