To explain the concept of JavascriptExecutor, let’s look at two simple use cases: Example 1 Problem Statement: Generate an alert window using JavascriptExecutor. Objective: Create a login automation script using Selenium that generates an alert window using JavascriptExecutor methods.Code: [java] ...
That’s where the finally() statement comes in handy. The finally() statement runs whether or not a promise is fulfilled or rejected. Let’s update our promise call to use a finally statement: returnName.then(data => { console.log(data); }).catch(error => { console.log(error); })...
statements work independently. That means you can use a statement in any context, whether you’re programming a client-side or server-side application. As a language, JavaScript supports relatively few statements—just enough to construct functional applications. ...
At last, use the indexof() method to check whether a string contains the word, and return a Boolean value based on that. Open Compiler Using the includes() method with polyfill in JavaScript let content = document.getElementById('content'); String.prototype.includes = function (str...
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In the function body, before any other statements, we put the exact statementuse strictto invoke strict mode for a function. Syntax: functionstrictFunction(){// strict mode syntax for Function'use strict';functionnestedFunction(){return'Javascript on DelftStack';}return'strict mode functions! '...
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...
Solution: userequires_csrf_token() Including the CSRF token in an unprotected view¶ There may be some views that are unprotected and have been exempted bycsrf_exempt, but still need to include the CSRF token. Solution: usecsrf_exempt()followed byrequires_csrf_token(). (i.e.requires_csrf...
switch Outside of the return Statement Probably the most optimal solution is to take switch() out of your return statement entirely. Then you can use standard JavaScript without any restrictions and reference the function that includes the switch statement. Let’s look at an example: class App ...
In this tutorial, we will learn several ways to define a function, call a function, and use function parameters in JavaScript. Defining a Function Functions are defined, or declared, with thefunctionkeyword. Below is the syntax for a function in JavaScript. ...