Array Search Methods Array Sort Methods Array Iteration Methods Browser Support unshift() is an ECMAScript1 (JavaScript 1997) feature. It is supported in all browsers: Chrome Edge Firefox Safari Opera IE Yes Yes Yes Yes Yes Yes ❮ Previous JavaScript Array Reference Next ❯ ★ +1 Track...
Iteration MethodsArray shift() Array unshift() Array delete() Array concat() Array copyWithin() Array flat() Array splice() Array toSpliced() Array slice() JavaScript Array length Thelengthproperty returns the length (size) of an array: ...
lettext ="W3Schools"; letresult = Array.isArray(text); Try it Yourself » Description TheisArray()method returnstrueif an object is an array, otherwisefalse. Array.isArray() Array.isArray() is a static property of the JavaScript Array object. ...
For a tutorial about Arrays, read our JavaScript Array Tutorial.Array PropertiesPropertyDescription constructor Returns the function that created the Array object's prototype length Sets or returns the number of elements in an array prototype Allows you to add properties and methods to an Array ...
Reverse the order of the elements in an array Sort the elements of an array in any order you like Nest arrays within other arrays JavaScript stores arrays asArrayobjects, so most of the things you can do with arrays revolve around the properties and methods of theArrayclass. ...
W3 Schools Array methods: http://www.w3schools.com/js/js_array_methods.asp W3 Schools Array reference: http://www.w3schools.com/jsref/jsref_obj_array.asp Mozilla Developer Network Arrays: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array Devdocs Javascrip...
MDN: Primitive is data type that is not an object and has no methods. All primitives are immutable (ie. they can't be altered). They are stored by value In JavaScript, there are 6 data types that are primitives. string number
Array Sort Methods Array Iteration Methods Browser Support concat()is an ECMAScript1 (JavaScript 1997) feature. It is supported in all browsers: ChromeEdgeFirefoxSafariOperaIE YesYesYesYesYesYes ❮PreviousJavaScript ArrayReferenceNext❯ Track your progress - it's free!
fruitsinstanceofArray// returns true Reference http://www.w3schools.com/js/js_arrays.asp http://www.w3schools.com/js/js_array_methods.asp http://www.w3schools.com/jsref/jsref_filter.asp http://www.w3schools.com/jsref/jsref_find.asp...
Array Properties and Methods var x = cars.length; // The length property returns the number of elements var y = cars.sort(); // The sort() method sorts arrays var z = cars.reverse(); // The reverse() method reverts arrays