What is the method to determine whether an object is empty in vue.js
The way vue.js determines whether an object is empty is to convert the object to json. If it is an empty collection {}, then the object is an empty object, such as [JSON.stringify(object)=='{ }'].
The method to determine whether the object is empty is as follows:
(Learning video recommendation: php video tutorial)
Method 1: Convert the object to JSON. If it is an empty collection {}, then it is an empty object.
JSON.stringify(object)=='{}'
Method 2: Determine the length of the object. If it is zero, it is an empty object.
Object.keys(object).length==0
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