https://stackoverflow.com › questions › 767486
How do I check if a variable is an array in JavaScript?It takes the recommended Array.isArray() static method of EcmaScript 5+ and the old recommended way before ES5 and combines them so that you have a working function in both new and old JS versions: isArray = Array.isArray || function(value) { return Object.prototype.toString.call(value)=="[object Array]"; } isArray([]);//true
Learn how to use Array.isArray () to check if a value is an array in JavaScript. See the syntax, parameters, return value, description, examples, and browser compatibility of this method.
https://www.w3schools.com › jsref › jsref_isarray.asp
JavaScript Array isArray() Method - W3SchoolsLearn how to use the isArray() method to check if an object is an array in JavaScript. See examples, syntax, parameters, return value and browser support for this static property of the Array object.
https://www.w3schools.com › js › js_arrays.asp
JavaScript Arrays - W3SchoolsLearn how to create, access, modify and loop through arrays in JavaScript. Find out the difference between arrays and objects, and how to use array methods such as push(), sort() and toString().
https://stackoverflow.com › questions › 5864408
JavaScript is in array - Stack Overflow_.indexOf(array, value, [isSorted]) Returns the index at which value can be found in the array, or -1 if value is not present in the array. Uses the native indexOf function unless it's missing. If you're working with a large array, and you know that the array is already sorted, pass true for isSorted to use a faster binary search.
https://www.geeksforgeeks.org › how-to-check-if-a-variable-is-an-array-in-javascript
How to check if a variable is an array in JavaScript?Learn different methods to determine if a variable is an array or not in JavaScript, such as isArray(), instanceof, constructor, length, and prototype. See syntax, examples, and output for each method.
https://www.javascripttutorial.net › array › how-to-check-if-a-variable-is-an-array-in...
How to Check If a Variable is an Array in JavaScript - JavaScript TutorialLearn how to use the Array.isArray() method and the instanceof operator to determine if a variable is an array in JavaScript. See examples, code snippets and browser support for both methods.
https://developer.mozilla.org › fr › docs › Web › JavaScript › Reference › Global_Objects › Array
Array - JavaScript | MDN - MDN Web DocsApprenez à utiliser l'objet global Array pour créer et manipuler des tableaux JavaScript, des objets semblables à des listes. Découvrez les propriétés, les méthodes et les opérations fréquentes des tableaux, ainsi que des exemples et des liens utiles.
https://developer.mozilla.org › en-US › docs › Web › JavaScript › Reference › Global_Objects › Array
Array - JavaScript | MDN - MDN Web DocsLearn about the Array object in JavaScript, which enables storing a collection of multiple items under a single variable name. Find out how to access, modify, copy, and iterate over array elements, and how to use array methods with empty slots and sparse arrays.
https://dmitripavlutin.com › is-array-javascript
3 Ways to Detect an Array in JavaScript - Dmitri Pavlutin BlogLearn three ways to check if a value is an array in JavaScript: Array.isArray(), instanceof Array and toString() === '[object Array]'. Compare the pros and cons of each approach and see examples.