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<loc> (JavaScript)

Specifies the location and type of the sidecar file that provides localized IntelliSense information.

<loc filename="filename"
    format="vsdoc|messagebundle" />

filename

Optional. The root name of the sidecar file that contains localization information for the neutral culture. When Visual Studio searches for localization information, it attempts to find a culture-specific version of this file. For example, if filename is jquery.xml, Visual Studio searches for the correct culture-specific folder (like JA) in the same location as the .js file that contains the <loc> element. If it locates the culture-specific folder, it checks whether a jquery.xml file exists in it. If it cannot locate the correct file, it instead uses managed resource location rules. The default value for filename is the name of the current file, but with an .xml extension instead of .js.

format

Optional. The type of sidecar file used for localization. Use messagebundle to specify the use of message bundles defined by Open Ajax metadata. messagebundle is the recommended format. However, this format is not supported in Microsoft Ajax or in .winmd files. Use vsdoc to specify the standard .NET Framework localization format that is used by Microsoft Ajax and Windows Runtime. This attribute is optional. vsdoc is the default format.

The <loc> element must appear at the top of the file in the same section as the <reference> element. Usage rules for the <loc> element are the same as the <reference> element. For more information, see the “References Directives” section in JavaScript IntelliSense.

Visual Studio processes a single <loc> element for each .js file. If multiple <loc> elements are present, only a single <loc> element is used. Behavior for determining which <loc> element to use is not defined.

When using message bundle format, use the locid attribute in XML documentation comments to specify the name attribute value.

The following example shows how to use the <loc> element with messagebundle format. Add the following XML to a file named messageFilename.xml and place the file in the correct culture-specific folder, as specified in the description of the filename parameter.

<?xml version="1.0" encoding="utf-8" ?>
<messagebundle>
  <msg name="1">A class that represents a rectangle</msg>
  <msg name="2">The height of a rectangle</msg>
  <msg name="3">The width of a rectangle</msg>
</messagebundle>

For the messagebundle example, add the following code to a JavaScript file in your project. The <loc> element must appear as the first line in the JavaScript file. The descriptions in this code will be replaced by localized descriptions, if available.

/// <loc filename="messageFilename.xml" format="messagebundle"/>

function doSomething(a,b) 
{
    /// <summary locid='1'>description</summary>
    /// <param name='a' locid='2'>parameter a description</param>
    /// <param name='b' locid='3'>parameter b description</param>
}

The following example uses VSDoc format. Add the following XML to a file named scriptFilename.xml and place the file in the correct culture-specific folder.

<?xml version="1.0" encoding="utf-8" ?>
<doc>
  <assembly>
    <name>Lights</name>
  </assembly>
  <members>
    <member name="M:illuminate">
      <summary>Activates a light. </summary>
      <param name='a'>The light to activate. </param>
    </member>
  </members>
</doc>

For the VSDoc example, add the following code to a JavaScript file in your project. The descriptions in this code will be replaced by localized descriptions, if available.

/// <loc filename="scriptFilename.xml" format="vsdoc" />

function illuminate(a) 
{
    /// <summary locid='M:illuminate'>description</summary>
    /// <param name='a' type='Number'>parameter a description</param>
}
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