Updated on 30-Jul-2024 12:31:16
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The form fields can be disabled with the help of CSS, and JavaScript. In this article, we will learn to disable the form input fields with the help of CSS. Sometimes we need to disable form fields for various reasons, such as preventing user input before certain conditions, or for other purposes. The disabled form field means the user can not interact with the input field. Approaches to Disable Form Fields There are two approaches to disabling the form input field, we will explain each approach in detail with code examples. Disable Form Fields … Read More
Updated on 22-Jan-2024 14:30:53
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On web pages, range sliders are used to let users specify a numeric number that must fall between a specified value and not more than that value. In other words, it enables selection of a value from a range that is shown as a slider. Instead of a text entry box like the “number” input type, a Range slider is often represented by a slider or dial control. When an exact numerical value is not required, it is utilized. However, it may be more difficult than you think to add a slider widget to a web page. Yes, you can … Read More
Updated on 20-Nov-2023 17:36:28
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In this article, we are going to learn about the methods of sorting a numerical array in JavaScript. Sorting of an array means to arrange the elements of an array in a particular order i.e. they can be in ascending or the increasing order and they can be arranged in descending or the decreasing order. There are two ways in which we can sort a numeric array in a particular order in JavaScript − By traversing array with the help of loops By using the sort() method available in JavaScript Let us discuss both of the above methods … Read More
Updated on 20-Nov-2023 17:20:51
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Generally, we sort arrays, objects and some other data types using some method of JavaScript. But, in this article, we are going to sort the child elements of an element whose values are in unsorted order using the data attribute of those child elements. In this article, we are going to learn about the two different ways or methods of sorting the child elements according to the value of their data attribute given to them. The methods we use to sort are listed below − By selecting the value of data attribute using the getAttribute() method. By selecting the … Read More
Updated on 20-Nov-2023 17:01:57
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A array with multiple columns is an array that contains multiple elements at single index or position OR we can say that it is an array of arrays that contains multiple arrays at each index of it and we have to sort that array according to the elements of those contained arrays. In this article, we are going to learn about the method of sorting an array of arrays with the help of sort() method. We will use the comparator function to compare the elements of inner arrays with each other and sort them accordingly. Let us see how we … Read More
Updated on 20-Nov-2023 16:57:50
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An array of objects is an array that contains all the elements in the form of JavaScript objects. Here, we are said to use an array of objects with two fields that means, have to use objects with two elements as elements of the array. In this article, we are going to learn about the method of sorting the array of objects by two fields in JavaScript. We can simply use the sort() method of JavaScript to sort the elements of an array and give it a cmp or the comparator function to define the order in which we want … Read More
Updated on 20-Nov-2023 16:51:32
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A set is also a data structure that is almost similar to the map data structure. The only difference between them is that map stores the elements in the form of key-value pair, while set does not it only stores a single value in the same order as it was inserted. It can also store primitive data types as well as objects as map does. A set contains all the elements in the same order as they are inserted. But, we can sort a set in any order whether in increasing or decreasing order of elements using the sort() method … Read More
Updated on 20-Nov-2023 16:44:53
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In JavaScript, Map is a type of data structure that stores the values in the form of key value pairs. It can store all types of data types, whether they are primitive or JavaScript objects. It stores the elements in the same order in which they are inserted, hence, when we iterate through its elements, it prints the elements in the same order as we have stored them. As we have discussed that the order of elements stored in a Map is same as we insert elements in that Map. But, we can also sort the elements of the map … Read More
Updated on 20-Nov-2023 16:38:32
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The performance.now() method is used to calculate the performance of the code written by any programmer or the coder. The performance.now() method will return a numerical value that will be the time taken by the written code to execute. The value returned by this method may vary every time we execute the code even for the same code. In today’s time, everyone wants to write the fast loading and the efficient code for a problem that can work on every parameter and fastest of all other solutions. So, to measure the efficiency and to make sure that the written code … Read More
Updated on 17-Oct-2023 14:51:44
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What is JQuery? JQuery is a JavaScript library You can use the library to manipulate HTML documents, add animations, perform event handling, and do a lot more things. JQuery is compatible with many browsers so pages made in one of them will run successfully on other browsers. The aim of designing this library is to make client-side scripting easy. Why JQuery Alternatives? JavaScript commands needed to run JQuery CSS and JavaScript knowledge is required to work on JQuery Debugging a JQuery code is difficult Each update of JQuery has to be downloaded from Google How to … Read More
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