JavaScript/jQuery Menu - showFirstSubmenuMode

If you assign a string that specifies the mode name to this property, the UI component will use the default delay value.

showFirstSubmenuMode: "onHover"

Use the ShowSubmenuMode enum to specify this property when the UI component is used as an ASP.NET MVC 5 Control or a DevExtreme-Based ASP.NET Core Control. This enum accepts the following values: OnHover and OnClick.

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Passing a number to this property is the same as passing an object whose show and hide fields hold equal values. For example, the following ways to specify the delay are identical.

//number
delay: 300

//object
delay: {
    show: 300,
    hide: 300
}

Use the ShowSubmenuMode enum to specify this property when the UI component is used as an ASP.NET MVC 5 Control or a DevExtreme-Based ASP.NET Core Control. This enum accepts the following values: OnHover and OnClick.