html - ionic 2 MenuToggle not opening on touch stay -


i having weird problem in ionic2 app , when touch menu toggle button , stay around > 1 seconds not opening menu. noticed have same problem other apps on ionic 1.

it working fine in browser when mouse click , stay 1-2 seconds fine.

can open menu on touch down , up?

this code

<ion-header>   <ion-navbar>     <button ion-button menutoggle style="color: white" >       <ion-icon name="menu"></ion-icon>       menu     </button>     <ion-title>       <h5 style="color: white">         dashboard       </h5>     </ion-title>   </ion-navbar> </ion-header>


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