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
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
Advertisement - This is a modal window. No compatible source was found for this media. METHOD 01: In this, we will use the length property to check if the array is empty or not. The length property of an array will check the length of the array and return a number value. The ind...
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 ...
}else{console.log('string is NOT empty'); } }, [message]);return(String: {message}setMessage('Hello world')}>Set state); } The firstifstatement checks whether the message variable stores a value of type string and whether the string is empty. If we consider an empty string consisting ...
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 ==...
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<?php$emptyArray=array();$size=sizeof($emptyArray);echo("The size of the array is $size. \n");if(sizeof($emptyArray)==0)echo("The array is empty.");?> Output: The size of the array is 0.The array is empty. Usecount()Function to Check Whether an Array Is Empty in PHP ...
log(isEmptyObject(bar)); // output: false As you can see, the Object.entries() method converts an object into an array, and we can count the length of that array to check if the object in question is empty. This is very similar to the Object.keys() method and will give the ...
Here's a Code Recipe to check if an object is empty or not. For newer browsers, you can use plain vanilla JS and use the new "Object.keys" 🍦 But for older browser support, you can install the Lodash library and use their "isEmpty" method 🤖 ...