ionic3_ion-slide报错Uncaught TypeError: Cannot read property 'hasAttribute' of undefined

An ion-slideerror was reported during use , Uncaught TypeError: Cannot read property 'hasAttribute' of undefinedand it was found after inspection that it was caused by the fact that the array data had no value.
Solution:
1. Assign a dead value to the array data.
2. Judge the length of the array data, and then hide or display ion-slide.