String.LastIndexOf Example: JavaScript Syntax – JS String.LastIndexOf Example
String.LastIndexOf Example: JavaScript Syntax – JS String.LastIndexOf Example
Purpose: – Illustrates the JavaScript syntax for the String LastIndexOf .
Prerequistes:
- Install Visual Web Developer 2008
Syntax: string.lastIndexOf(searchstring, start) – Returns the position of the last found occurrence of a specified value in a string – start is optional.
Restrictions: None
Notes:
- You can build your own library of syntax examples by using same web site over and over and just add new files to it.
Instructions:
- Use Visual Web Developer 2008
- Create new web site;
- Click File/New Web Site
- Select ASP.NET Website Template
- Select C-Sharp for Language
- name of Web Site could be JavaScript_Syntax.
- Add New folder named “DataType”
- Right-click project name in solution explorer;
- add new folder;
- name of folder should be: DataType
- Add New subfolder to “DataType” folder named “String”
- Right-click folder named “DataType” in solution explorer;
- add new folder;
- name of folder should be: String
- Add New subfolder to “String” folder named “Methods”
- Right-click subfolder named “String” in solution explorer;
- add new folder;
- name of folder should be: Methods
- Add HTML Page Named StringLastIndexOf to Methods subfolder
- Right-click Methods subfolder;
- add new item;
- Select HTML Page
- HTML Page name should be StringLastIndexOf
- Click on copy code in code below to copy code into HTML Page StringLastIndexOf.htm
- Right-click on HTML page StringLastIndexOf and select view in browser
< !DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>IdealProgrammer.com: String.LastIndexOf Method</title>
<!--
***************************************************
* This example is from http://idealprogrammer.com *
***************************************************
-->
<script type="text/javascript" >
// lastIndexOf() Returns the position of the last found occurrence of a specified value in a string
// SYNTAX: string.lastIndexOf(searchstring, start) - start is optional
var strlastIndexOf = "Einstein was a philosophical realist";
document.write("strlastIndexOf.lastIndexOf(ein): " + strlastIndexOf.lastIndexOf("ein") + "<br />");
document.write("strlastIndexOf.lastIndexOf(philo): " + strlastIndexOf.lastIndexOf("philo") + "<br />");
document.write("strlastIndexOf.lastIndexOf(l): " + strlastIndexOf.lastIndexOf("l") + "<br />");
</script>
</head>
<body>
</body>
</html> |
