indexOf()

[StringObject Function]

Description

Locates a character or String within another String. By default, searches from the beginning of the String, but can also start from a given index, allowing for the locating of all instances of the character or String.

Syntax

string.indexOf(val)

string.indexOf(val, from)

Parameters

string: a variable of type String

val: the value to search for - char or String

from: the index to start the search from

Returns

The index of val within the String, or -1 if not found.

See also