# AngularJS `ng-mouseover` Directive [ AngularJS Reference](#) * * * ## AngularJS Example Execute an expression when the mouse pointer moves over an element:

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[Try it »](#) * * * ## Definition and Usage The **ng-mouseover** directive tells AngularJS what operation to perform when the mouse moves over a specified HTML element. The **ng-mouseover** directive does not override the element's native onmouseover event. When the event is triggered, both the **ng-mouseover** expression and the native onmouseover event will execute. * * * ## Syntax All HTML elements support this directive. * * * ## Parameter Values | Value | Description | | --- | --- | | _expression_ | Expression to execute when the mouse moves over the element. | * * AngularJS Reference](#)