the JavaScriptmap()function, which applies a transformation to the data in an array and constructs a second parallel array. Using themap()function to transform an array is an alternative to using theforkeyword or theforEach()function. An example of using the JavaScriptmap()function looks like...
In this tutorial, you’ll learn how to create an Angular component to render a map using MapLibre GL JS
There was a time whenXMLHttpRequestwas used to make API requests. It didn’t include Promises, and it didn’t make for clean JavaScript code. Using jQuery, you could use the cleaner syntax ofjQuery.ajax(). Now, JavaScript has its own built-in way to make API requests. This is the Fe...
You can add a custom name or label for a button, or use one of the predefined “Submit” or “Reset” labels. Use a button to submit form data to the server or to reset the form. You can also assign other processing tasks that you define in a script. For example, the button ...
The MAP function uses the LAMBDA function as its second argument to define how each cell in the array should be calculated. This combination allows you to perform cumulative calculations across a range of values. The LAMBDA function is required in the MAP function, you can't leave it out. ...
Define a Map to Be Converted Into a List in Java Before converting map values into a list, we must first have a map object and then assign it with two data types: an integer (keys) and string (values) before grouping it into a list. ...
Programmatically, you have to define the needed editor type in the column configuration with theeditorproperty. gantt.config.columns=[ {name:"text",tree:true,width:'*',resize:true,editor:textEditor}, {name:"start_date",align:"center",resize:true,editor:dateEditor}, ...
treemapDice According to the value of the child node of each specified node, the rectangular area calculated by inputting x0, y0, x1, y1 coordinates is divided in the horizontal direction. Starting from the coordinates of the left edge (x0) of the given rectangle, the divided sub-elements...
Server-side componentization is never easy. But withExpress.js(andConnect.js) came the idea of ‘middleware’. In my opinion, middleware is the best way to define components on the server. If you want to compare it to a known pattern, it’s pretty close to pipes and filters. ...
When you have a basic quiz up and running, there are a whole bunch of possibilities to add more advanced functionality, such as pagination.In this tutorial, I’ll walk you through how to make a quiz in JavaScript that you’ll be able to adapt to your needs and add to your own site....