String.Length Example – JavaScript Syntax – JS String.Length Example

String.Length Example – JavaScript Syntax – JS String.Length Example

Purpose: – Illustrates the for the .

View Other String Properties and Methods

Prerequistes:

Syntax: string.length; – Returns the length of the string.

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:

  1. Use Visual Web Developer 2008
  2. 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.
  3. Add New folder named “DataType”
    • Right-click project name in solution explorer;
    • add new folder;
    • name of folder should be: DataType
  4. 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
  5. Add New subfolder to “String” folder named “Properties”
    • Right-click folder named “String” in solution explorer;
    • add new folder;
    • name of folder should be: Properties
  6. Add HTML Page Named StringLength to Properties subfolder
    • Right-click Properties subfolder;
    • add new item;
    • Select HTML Page
    • HTML Page name should be StringLength
  7. Click on copy code in code below to copy code into HTML Page StringLength.htm
  8. Right-click on HTML page StringLength and select view in browser
  9. View Example 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>String.Length</title>
        <script type="text/javascript" >
            //    length 	        Returns the length of the string
            var myStr = "This is a string";
            document.write("myStr.length: " + myStr.length); // output: 16
            document.write("<br />");
     
    </script>
    </head>
    <body>
     
    </body>
    </html>