In many cases, the focus is to create dynamically-driven animations while avoiding excessive use of keyframes. In such a situation, expressions can be utilized. Provided are a number of functions for a certain automation in 2D/3D animation for the effect of counting numerical values and movement...
A typical JavaScript object may look like this:ExampleTry this code » let person = { name: "Peter", age: 28, gender: "Male", displayName: function() { alert(this.name); } };The above example creates an object called person that has three properties name, age, and gender and one...
In this article we show how to create arrays using theArray.ofmethod in JavaScript. Array.of method TheArray.ofmethod creates a new array instance from a variable number of arguments. Unlike the Array constructor, it treats single numeric arguments as array elements rather than setting the array...
In this article we show how to create objects in JavaScript. Objects can be created using an object literal, function constructor, or class definition. Objects are often created with creational builder and factory design patterns. In this article we use Node.js to execute our examples. Object l...
If you want to search an array based on certain condition then you can use the JavaScriptfind()method which is newly introduced in ES6. This method returns the value of thefirst elementin the array that satisfies the provided testing function. Otherwise it returnundefined. ...
This is just a toy example, but of course, you can imagine having callLoadFile being called when an file in a list is clicked, and then passing that file's url to opener.loadFile. function callLoadFile() { if (opener.loadFile != null) opener.loadFile("file.txt"); else alert...
You can useArray.from()to map, if you provide a mapping function as its second parameter. Filling an Array with values# Creating an Array with small integers: >Array.from({length:3},() =>0)[ 0, 0, 0 ] Creating an Array with unique (unshared) objects: ...
/*the below creates a new object, and gives it the two methods defined earlier*/ function circle(r){ //property that stores the radius this.radius=r this.area=computearea this.diameter=computediameter } Finally, to use these methods...
// Create a constructor for the fixed-length queue. This is // really more of a FACTORY than a construtor since an // entirely tangential object is returned. function FixedQueue( size, initialValues ){ // If there are no initial arguments...
Q promises provide a fail shorthand for then when you are only interested in handling the error:var outputPromise = getInputPromise() .fail(function (error) { });If you are writing JavaScript for modern engines only or using CoffeeScript, you may use catch instead of fail....