/documentation/appframework/$.is$.md

#$.is$(param)

```

Checks to see if the parameter is a $afm object
  
```

##Example

```
  var foo=$("#header");
  $.is$(foo);
  
```


##Parameters

```
element                       Object

```

##Returns

```
Boolean                       
```

##Detail

$.is$ checks to see if the instance of an object is of type "$" or "$afm or App Framework.  This is usefull for checking for parameter types in functions.

```
var tmp = $("div");
var bar=null;
function test(el){
	if($.is$(el)) //if we have an App Framework object, get the first element
	   el=el[0];
};
alert(test(tmp));//true
alert(test(bar));//false
```