For this, use tag. Set it to contenteditable −We have set the following style for paste −    pre {       min-height: 150px;       min-width: 300px;       font-family: 'Times New Roman', Times, serif;       white-space: pre;       background-color: rgb(19, ... Read More

To get value of data attribute, use −$(“yourSelector”).data()The following is our input type with data attribute −ExampleFollowing is the code − Live Demo            Document        var value = $('#txtValue').data('value');    console.log("The value is=" + value); OutputThe output is as follows −

Create a custom function to test a number is prime or not in JavaScript.ExampleFollowing is the code −function checkNumberIsPrime(number) {    var flag = false;    for (start = 2; start < number / 2; start++) {       if (number % start === 0) {       ... Read More

The Math.ceil() is part of the Math object in JavaScript. Suppose, your value is 4.5 or 4.3, it will give the result 5.Let’s say the following are our values −var result1 = 98; var result2 = 5;Following is the code to display the result difference while using ceil() or not ... Read More

Let’s say the following are our records with some duplicate values −var objectOfNationality =    [       { nationality: "Indian" },       { nationality: "American" },       { nationality: "Emirati" },       { nationality: "Indian" },       { nationality: "American" ... Read More

Let’s say the following is our string in dot notation −const keys = "details1.details2.details3.details4.details5"And the following is our array −const firsName = "David";To turn into a nested object, use the concept of split(‘.’) along with map().ExampleFollowing is the code −const keys = "details1.details2.details3.details4.details5" const firsName = "David"; var tempObject = ... Read More

Let’s say we are getting two values with prompt −var firstvalue = parseInt(prompt("Enter the value1")); var secondvalue = parseInt(prompt("Enter the value2"));ExampleFollowing is the code − Live Demo            Document    var firstvalue = parseInt(prompt("Enter the value1"));    var ... Read More

You cannot change the value of an object when it is defined using const keyword.After changing it will remain same.Let’s say the following is our variable defined with const −const details1 = {    firstName: 'David',    subjectDetails: { subjectName: 'JavaScript' } }ExampleFollowing is the code to change the const ... Read More

Let’s say the following are our objects −var object1 = { firstName: "David" }; var object2 = { firstName: "David" };You will not get the correct result using comparison operator (== or ===). Use JSON.stringify() for this.ExampleFollowing is the code implementing both the ways and showing the correct result −var ... Read More

Let’s say the following are our array of objects:const details =    [       {          employeeFirstName: "John",          employeeLastName: "Doe"       },       {          employeeFirstName: "David",          employeeLastName: "Miller"   ... Read More