<h2>JavaScript Array.map()</h2> <p>Creates a new array by performing a function on each array element.</p> <p id="demo"></p> <script> var numbers1 = [45, 4, 9, 16, 25]; var numbers2 = numbers1.map(myFunction); document.getElementById("demo").innerHT...
Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, Python, PHP, Bootstrap, Java, XML and more.
Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, Python, PHP, Bootstrap, Java, XML and more.
Hello & Thanks , I am getting this error: Uncaught TypeError: Failed to execute 'drawImage' on 'CanvasRenderingContext2D': The provided value is not of type '(HTMLImageElement or HTMLVideoElement or HTMLCanvasElement or ImageBitmap)' on this line: ctx.dr
<body> <h2>JavaScript Arrays</h2> <p>Compute a new array with the full name of each person in the old array:</p> <p id="demo"></p> <script> const persons = [ {firstname : "Malcom", lastname: "Reynolds"}, {firstname : "Kaylee", lastname: "Frye"}, ...
<h1>JavaScript Objects</h1> <h2>Object.entries() Method</h2> <p>Object.entries() returns an array of the key/value pairs of an object.</p> <p>Object.entries() makes it simple to convert Object to Map:</p> <pid="demo"></p> ...
Parameters extracts the parameter types of a function type as an array.Example type PointPrinter = (p: { x: number; y: number; }) => void; const point: Parameters<PointPrinter>[0] = { x: 10, y: 20 }; Try it Yourself » ...
{iterableObject:this.createIterable(['City','Park','River'])};},methods:{createIterable(array){letcurrentIndex=-1;return{[Symbol.iterator]:function(){return{next:()=>{if(currentIndex<array.length-1){currentIndex++;return{value:array[currentIndex],done:false};}else{return{done:true};}}};}...
<h1>JavaScript Arrays</h1> <h2>The map() Method</h2> <p>Create a new array by performing a function on each array element:</p> <p id="demo"></p> <script> const numbers1 = [45, 4, 9, 16, 25]; const numbers2 = numbers1.map(myFunction); document.get...
<body> <h2>JavaScript Arrays</h2> <p>Multiply every element in the array with 10:</p> <p id="demo"></p> <script> const numbers = [65, 44, 12, 4]; const newArr = numbers.map(myFunction); document.getElementById("demo").innerHTML = newArr; fu...