The lastIndexOf() method is case-sensitive. The index position of first character in a string is always start with zero. If an element is not present in a string, it returns -1.
The lastIndexOf() method is represented by the following syntax:
element - It represent the element to be searched.
index - It represent the index position from where search starts. It is optional.
An index of a particular element.
Let's see some examples of lastIndexof() method.
Here, we will print the position of an element.Test it Now
In this example, we will provide the index value from where the search starts.Test it Now
Here, we will search an element which is not present in an array.Test it Now