https://stackoverflow.com/questions/5898656/check-if-an-element-contains-a-class-in-javascript
In JavaScript, you can use thecontains()method provided by theclassListobject to check if any element contains a specific CSS class. This method returnstrueif the class exists. Otherwise,falseis returned. Let us say we have the following HTML element: Subscribe Now And we want to check if ...
How do you check if one string contains a substring in JavaScript?Craig Buckler
JavaScript offers many ways to check if a string contains a substring. Learn the canonical way, and also find out all the options you have, using plain JavaScriptChecking if a string contains a substring is one of the most common tasks in any programming language....
There are multiple ways to check if a string contains a substring in JavaScript. You can use either String.includes(), String.indexOf(), String.search(), String.match(), regular expressions, or 3rd-party library like Lodash. String.includes() Method The String.includes()provides the most ...
Different methods to check if string contains spaces in JavaScript Method-1: Use indexOf method Not to be confused with the array indexOf method, the String.prototype.indexOf() takes a string argument and searches for it within the string it’s called upon and returns the index of the firs...
Using the.includes()Function to Check if Array Contains Value in JavaScript Theincludes()function of JavaScript checks whether a given element is present in an array. It returns a boolean value. Hence, it is best suited inifcondition checks. ...
Read this tutorial and learn valuable information about the multiple methods that are used for checking if the element contains a class in JavaScript.
A step-by-step guide on how to check if an array contains an object in JavaScript.
When working with JavaScript, determining whether a string contains a specific substring is a common task. Whether you need case-sensitive checks or prefer a flexible, case-insensitive approach, this guide has it covered. The following shows you