If the given attribute does not exist, the value returned will Convenience: It can be called directly on a jQuery object and chained to other jQuery methods. By specifying the name of the attribute, it can get the value of that element. The getAttribute() method is used to get the value of an attribute of the particular element. In this article Overloads. Is it possible to get the attributes that beginning with data-, and use it in the JavaScript code like code below? This method returns the value of the attribute specified, if attribute doesn't exist then value returned is null or "" (empty string). How it works: First, select the link element with the id js using the querySelector () method. The getAttribute() method returns the value of the attribute with the specified name, of an element. Check out- Using Thread.sleep() in Java with Selenium. Code language: JavaScript (javascript) For example, to get the value of the title attribute of an anchor element, you use the following code: const link = document .querySelector( 'a' ); let title = … JavaScript setAttribute () The setAttribute () method is used to set or add an attribute to a particular element and provides a value to it. elem.setAttribute(name, value) – sets the value. var post_id = document.querySelector("#container").getAttribute('data-post-id'); If the attribute is not existing, then null or a blank value "" will be returned. element.getAttribute("value") returns value which was set in the markup, which is not necessarily same as element.value. We can use getAttribute() to get attributes when we know they're there, but how do we simply get an object containing all attributes? var result = objArray.map(function(a) {return a.foo;}); On ES6 compatible JS interpreters you can use an arrow function for brevity: var result = objArray.map(a => a.foo); Array.prototype.map documentation. elem.removeAttribute(name) – removes the attribute. But that doesn’t matter: attribute names are case-insensitive. The old DOM 3 Core specification, on the other The.attr () method gets the attribute value for only the first element in the matched set. getAttribute Syntax const value = … In this section, we will dive deeper into Selenium getAttribute() method. Returns the attribute that the control is bound to. If a value is not set for an attribute, null value is returned. To get attribute list from MongoDB object, you can use for loop to extract key and value for document. I have it implemented as such in my app and works perfect. hand, says that the correct return value in this case is actually the empty So here we have "123" as the value. Returns the attribute value for the specified attribute. The The .attr() method gets the attribute value for only the first element in the matched set. We will be using Selenium WebDriver in our instances below. So, we can also use the setAttribute () method to update the existing attribute's value. It returns the current value of the given attribute as a String of the Web element. Jack Bashford. If the attribute exists, it returns the string representing the value of the corresponding attribute. The JavaScript code in the following example will add a class and a disabled attribute to the