Extjs: load mask grid?

You could use var myMask = new Ext. LoadMask(grid.getEl(), {msg:"Please wait..."}); myMask.show(); But I find your approach kind of weird, seems like the only thing changing every 20 seconds is your dada, your store, column model, grid never changed. Can you just do a simple loadData(Object data, Boolean append ) in your timer handler?

The API is here.

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