The HTML DOM input image Object represent the element with type=”image” of an HTML document.Let’s see how to create input image object −SyntaxFollowing is the syntax −var imageInput = document.createElement(“INPUT”); imageInput.setAttribute(“type”, ”image”);PropertiesFollowing are the properties of HTML DOM input image Object −PropertyExplanationAltIt returns and modify the value of the ... Read More

You can use findOne() for this. Following is the syntax −db.yourCollectionName.findOne({yourFieldName: 'yourValue'});Let us create a collection with documents −> db.checkExistingDemo.insertOne({"StudentName":"John"}); {    "acknowledged" : true,    "insertedId" : ObjectId("5cbdf90dac184d684e3fa265") } > db.checkExistingDemo.insertOne({"StudentName":"Carol"}); {    "acknowledged" : true,    "insertedId" : ObjectId("5cbdf912ac184d684e3fa266") } > db.checkExistingDemo.insertOne({"StudentName":"Sam"}); {    "acknowledged" : true,   ... Read More

The HTML DOM input month Object represent the element with type=”month”.Let us create input month object −SyntaxFollowing is the syntax −var monthInput = document.createElement(“INPUT”); monthInput.setAttribute(“type”, ”month”);PropertiesFollowing are the properties of HTML DOM input month Object −PropertyExplanationautocompleteIt returns and alter the value of the autocomplete attribute of month input field.autofocusIt ... Read More

The HTML DOM input month name property returns and modify the value of the name attribute of the input field of type=”month” in a HTML document.SyntaxFollowing is the syntax −1. Returning nameobject.name2. Modifying nameobject.name = “text”ExampleLet us see an example of HTML DOM input month name property − Live Demo ... Read More

Let us first create a collection with documents −> db.arrayContainOnlySpecificFieldDemo.insertOne( ...    { ...       "StudentName":"John", ...       "StudentAge":21, ...       "StudentTechnicalSubject":["C", "Java", "MongoDB"] ...    } ... ); {    "acknowledged" : true,    "insertedId" : ObjectId("5cc4921dac184d684e3fa26a") } > db.arrayContainOnlySpecificFieldDemo.insertOne( { "StudentName":"Carol", "StudentAge":23, ... Read More

The HTML DOM input month min property returns and modify the value of the min attribute of the input field of type=”month” in an HTML document.SyntaxFollowing is the syntax −1. Returning minobject.min2. Modifying minobject.min = “YYYY-MM”Here, YYYY represent year and MM represent month like “2019-02”ExampleLet us see an example of ... Read More

The HTML DOM input month readOnly property returns and modify whether the input month field is read-only or not in an HTML document.SyntaxFollowing is the syntax −1. Returning readOnlyobject.readOnly2. Modifying readOnlyobject.readOnly = true | falseExample Live DemoLet us see an example of HTML DOM input month readOnly property− ... Read More

Imagine you’re playing a song and as soon as you press the stop button, the color of the button should turn to red. This is one of the many scenario where you might need to change the color of button when it is clicked.In this tutorial we will see how ... Read More

Scroll View is one of the most difficult and complicated topic an iOS Developer come across. Here we will be seeing how to disable Scroll View Programmatically.For disabling the same we need to make the “isScrollEnabled” property of our scroll view to false.Copy the below code in your file.import UIKit ... Read More

A navigation bar appears at the top of an app screen. To read more about ithttps://developer.apple.com/designhttps://developer.apple.com/documentationGetting height of Navigation bar becomes important if you’ve multiple view controllers having different UI and requirement. It becomes hectic if you’re not aware how to get the height of the same or modify as ... Read More