JavaScript String method: lastIndexOf()
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The lastIndexOf() method (when applied to
a JavaScript
String)
returns the position of the last occurrence of a specified string in the
string. It is case-sensitive. It returns -1
if the string being searched for is not found.
It
has the following syntax with the following parameters:
string.lastIndexOf(searchstring, start)
|
Parameter
|
Required / Optional
|
Description
|
|
searchstring
|
Required
|
String to be searched
for (searching backwards
|
|
start
|
Optional
|
(Default is string.length). Position at which to start
search
|
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