exists

checks whether an item with the specified ID exists

boolean exists(number|string id);

Parameters

idnumber|stringthe ID of an item

Returns

booleanreturns true if the item exists. Otherwise, false

Example

var id = 3;
if(view.exists(id)){    // true or false
  view.select(id);
  /* other logic */
}

See also
Back to top
If you have not checked yet, be sure to visit site of our main product Webix javascript component library and page of tree table widget product.