<summary> (JavaScript)


The new home for Visual Studio documentation is Visual Studio 2017 Documentation on docs.microsoft.com.

The latest version of this topic can be found at Visual Studio 2017 Documentation. Specifies the description for a function or method.

<summary locid="descriptionID">description  


Optional. The identifier for localization information about the function or method. The identifier is either a member ID or it corresponds to the name attribute value in a message bundle defined by OpenAjax metadata. The identifier type depends on the format specified in the <loc> element.

Optional. A description of the function or method.

The elements used to annotate functions, which include <summary>, <param>, and <returns>, must be placed in the function body before any statements.

The following code shows how to use the <summary> element.

function areaFunction(radiusParam)  
    /// <summary>Determines the area of a circle when supplied a radius parameter.</summary>  
    /// <param name="radiusParam" type="Number">The radius of the circle.</param>  
    /// <returns type="Number">The area.</returns>  
    var areaVal;  
    areaVal = Math.PI * radiusParam * radiusParam;  
    return areaVal;  

XML Documentation Comments