Javascript (JS) String.Substr Example: JavaScript Syntax – Javascript (JS) String.Substr Sample Example
Javascript (JS) String.Substr Example: JavaScript Syntax – Javascript (JS) String.Substr Sample Example
Purpose: – Illustrates the JavaScript syntax for the String Substr .
Prerequistes:
- Install Visual Web Developer 2008
Syntax: string.substr(startIndex,EndIndex) – Extracts the characters from a string, beginning at a specified start position, and through the specified number of character – endIndex 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 StringSubstr to Methods subfolder
- Right-click Methods subfolder;
- add new item;
- Select HTML Page
- HTML Page name should be StringSubstr
- Click on copy code in code below to copy code into HTML Page StringSubstr.htm
- Right-click on HTML page StringSubstr 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.Substr Method</title>
<!--
***************************************************
* This example is from http://idealprogrammer.com *
***************************************************
-->
<script type="text/javascript" >
// substr() Extracts the characters from a string, beginning at a specified start position, and through the specified number of character
// SYNTAX: string.substr(startIndex,EndIndex) - EndIndex is optional
var strSubstr = "Newton believed in action at a distance.";
document.write("strSubstr.substr(0,15): " + strSubstr.substr(0, 15) + "<br />");
</script>
</head>
<body>
</body>
</html> |
