/*** Check if two objects or arrays are equal* @param {*} obj1 The first item* @param {*} obj2 The second item* @return {Boolean} Returns true if they're equal in value*/functionisEqual(obj1,obj2){/*** More accurately check the type of a JavaScript object* @param {Object} ...
const allEqual=arr=> arr.every(val=> val===arr[0]); How do you check if every value of a JavaScript array is equal? JavaScript’sallEqual()function allows you to check every value of an array and determine if it is equal. It’ll return true if the values are equal and false if...
Thefor...ofstatement is used to loop over iterable objects like arrays, strings,Map,SetandNodeListobjects andgenerators. On each iteration, we check if the current element is not equal to the first array element. If the condition is met, we set theareEqualvariable tofalseand break out of ...
To check if two Tuple objects are equal, the code is as follows − Example Live Demo using System; public class Demo { public static void Main(String[] args){ var tuple1 = Tuple.Create(150, 400, 500, 700, 100, 1200, 1500); var tuple2 = Tuple.Create(150, 400, 500, 700, 100...
This is why the conditionif (a != null)evaluates totrueifais not equal tonullandundefined. This is the most common use case for the loose equality (==, !==) operators in JavaScript. If you use the loose equality operator to check if two values are not equal, you might get confusing...
This method will throw a ReferenceError if the variable is undeclared. Read More: Selenium with JavaScript : Getting Started with Automation Testing 3. Using Loose Equality (==) Loose equality (==) compares values and allows type conversion. Since undefined is loosely equal to null, this metho...
// Check if the array has at least one element if (nums.length >= 1) { // Return true if the first and last elements of the array are equal, otherwise return false return nums[0] == nums[end]; } else { // Return false if the array is empty ...
check.array.of.xxx(value): Returnstrueifvalueis an array and the predicate is true for every item. Also works with thenotandmaybemodifiers. check.arrayLike.of.xxx(thing): ThearrayLike.ofmodifier is synonymous witharray.of, except it operates on array-like objects. ...
If it is, the method returnstrue, otherwise,falseis returned. I wrotea bookin which I share everything I know about how to become a better, more efficient programmer. You can use the search field on myHome Pageto filter through all of my articles. ...
This is a modal window. No compatible source was found for this media. D.toContain() 5. Can you use '===' operator in Jasmine.js for equality checks? A.Yes B.No C.Only in strict mode D.Only for strings Print Page SubmitReview Advertisements...