To check if a JavaScript array is empty or not, you can make either of the following checks (depending on your use case): const empty = !Array.isArray(array) || !array.length; const notEmpty = Array.isArray(array
How to Check if Array or Object is Empty in React Js Here are some built-in methods that allow users to check whether an array or object is empty or not: Method 1: Using the length property The most common and simple way to check if an array or object is empty is to use the.leng...
Vue.JS check if Array,Object or String is empty: In Vue.js, To check if an array is empty in Vue.js, you can use the Array.length property, which returns the number of elements in the array To check if the string is empty in Vue.js, you can use the string.length property. This...
If it returns an empty array, it means the object does not have any enumerable property, which in turn means it is empty.Object.entries(objectToCheck).length === 0 You should also make sure the object is actually an object, by checking its constructor is the Object object:...
How to check if an array is empty or not in Javascript? This is a question a lot of beginners face while coding. Here is explanation with examples for it.
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The Object.keys() method is the best way to check if an object is empty because it is supported by almost all browsers, including IE9+. It returns an array of a given object's own property names. So we can simply check the length of the array afterward: Object.keys({}).length ==...
a static method that returns an Array when we pass an object to it, which contains the property names (keys) belonging to that object. We can check whether thelengthof this array is0or higher - denoting whether any keys are present or not. If no keys are present, the object is empty...
Example 3 : vue js check if string is empty In this third example of this tutorial, we use Vue.js programming language to check if a string is empty or null, undefined using `str && str.trim() !== ""`. This is a common task when we want to validate user input or filter out ...
I have an api that sends data to vue js. I will like to get the data in the array electData: Object category: Array[3] 0: Object cat_desc: modified category_id: 95 cost: 56 kwh_used: 99 1: Object cat_desc: modified category_id: 95 cost: 56 kwh_used: 99 2: Object cat_desc...