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Updated on 01-Sep-2020 12:30:34
To refresh page, use the location.reload() in JavaScript. The sample JavaScript code is as follows −Example Live Demo
Document
UserName:
Password:
Refresh Page
$('#RefreshPage').click(function() {
location.reload();
});
To run the above program, save the file name “anyName.html(index.html)” and right click on the
file. Select the option “Open with Live Server” in VS Code editor.OutputThis will produce the following output −After filling the form, the snapshot is as follows −When you click the button “Refresh Page”, the page will refresh and the following output is
visible −
Updated on 01-Sep-2020 11:55:11
To get value from the first checkbox, which is not hidden, use the :visible selector. Following is the code −Example Live Demo
>Document
.notShown {
display: none;
}
var v=$('input:checkbox:checked:visible:first').val();
console.log(v);
To run the above program, save the file name “anyName.html(index.html)” and right click on the file. Select the option “Open with Live Server” in VS Code editor.This will produce the following output displaying the visible value “second” in console −
Updated on 01-Sep-2020 11:51:35
To store and retrieve arrays into and from data attributes, use the data() method in jQuery. Following is the syntax −var anyVariableName= $('#yourIdName).data('yourJavscriptArrayName');Following is the jQuery code −Example Live Demo
Document
var value = $('#test').data('details');
alert(value);
To run the above program, save the file name “anyName.html(index.html)” and right click on the file. Select the option “Open with Live Server” in VS Code editor.OutputThis will produce the following output − 
Updated on 05-Aug-2020 12:02:23
Cypress can work on JQuery objects and call its methods. Thus Cypress can act upon both Cypress and non- Cypress commands. Cypress is asynchronous in nature. It is handled by resolving promises for every Cypress command. This whole process is taken care of by Cypress internally and wrapped and hidden from the end user.However while dealing with JQuery methods, the promise cannot be resolved internally by Cypress and we need to manually resolve them with the help of the then() method in the code.Let us take the example of text() method which is a non-Cypress command and is based on ... Read More
Updated on 15-Jul-2020 11:56:25
To add options to a , you need to use append(). Following is the JavaScript code −Example Live Demo
Document
Book
TV
var mySelection = new Option("Mobile", "Samsung Mobile");
$(mySelection).html("Samsung Mobile");
$("#selectCategory").append(mySelection);
To run the above program, save the file name anyName.html(index.html) and right-click on the file and select the option open with live server in VS Code editor.Output
Updated on 14-Jul-2020 17:17:38
For this, you need to use attr(). The attr() method can be used to either fetch the value of an attribute from the first element in the matched set or set attribute values onto all matched elements.Following is the JavaScript code −Example Live Demo Document $('#myURL').attr('value', 'http://www.facebook.com'); To run the above program, just save the file name anyName.html(index.html) and right click on the file and select the option open with live server in VSCode Editor.OutputLook at the above sample output the URL has been changed ... Read More 
Updated on 24-Feb-2020 11:32:00
Both bootstrap and jquery are used in web development and primarily for the frontend development. As code of bootstrap and jquery majorly executed at client end so also responsible for style and look and feel of the UI.Mostly every application is being developed on two platforms i.e backend and frontend in which backend is developed by high level language such as JAVA, DOT NET etc. while frontend has been developed by client end language such as BOOTSTRAP, JQUERY etc.Following are the important differences between Bootstrap and JQuerySr. No.KeyBootstrapJQuery1DefinitionBootstrap is basically a framework developed by Twitter used for frontend web development ... Read More
Updated on 31-Dec-2019 09:33:09
The get() method in jQuery is used to get the DOM elements matched by the selector.SyntaxThe syntax is as follows −$(selector).get(index)Above, the index specifies which of the matching elements to get.Let us now see an example to implement the jQuery get() method −Example Live Demo $(document).ready(function(){ $("button").click(function(){ var res = $("li").get(2); $("span").text(res.innerHTML); }); }); Devices TV Laptop Headphone Earphone SSD 3rd li element OutputThis will produce the following output −Now, click on the button −ExampleLet ... Read More
Updated on 31-Dec-2019 09:29:42
The each() method in jQuery is used to execute a function for each matched element.SyntaxThe syntax is as follows −$(selector).each(function(index, ele))Above, the index is the position of the selector, whereas ele is the current element.Let us now see an example to implement the jQuery each() method −Example Live Demo $(document).ready(function(){ $("button").click(function(){ $("li").each(function(){ alert($(this).text()) }); }); }); Devices TV Laptop Headphone Earphone SSD Get each element OutputThis will produce the ... Read More
Updated on 31-Dec-2019 09:25:52
The length property in jQuery is used to get the number of elements in the jQuery object.SyntaxThe syntax is as follows −$(selector).lengthExampleLet us now see an example to implement the jQuery length property − Live Demo
$(document).ready(function(){
$("button").click(function(){
document.getElementById("demo").innerHTML = "Count = " + $("li").length
});
});
Devices
TV
Laptop
Headphone
Earphone
SSD
Count of li
OutputThis will produce the following output −Click “Count of li” to get the number of li elements − Advertisements