where searchCharacter is the character or string for which we have to find the last index position and index is the integer value from where to start search ( it is optional ).
Description of code:
var string = new String("Welcome to RoseIndia Technologies");
<table border="0" width="45%" bgcolor="#800080">
<td width="100%" align="center">
<p align="center"><font face="Comic Sans MS" size="7" color="#FFFFFF">lastIndexOf method</font></td>
Welcome to RoseIndia Technologies<br/>
<input type="button" onclick="callLastIndexOf(); this.disabled='true';
" value="Last Index of o" />
click on the button "Last Index of o" to find the last index of character "o" in the displayed string "Welcome to RoseIndia Technologies".
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