Following is the code to implement stack in JavaScript −Example Live Demo Document    body {       font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;    }    .result {       font-size: 18px;       font-weight: 500;       color: blueviolet;    }    button {       padding: 6px;       margin: 4px;    } Implementation of Stack in JavaScript. Push Pop Display Click on the above buttons to perform stack operations    let resEle = document.querySelector(".result");    let BtnEle = document.querySelector(".Btn"); ... Read More

Following is the code to loop through array of arrays containing objects in JavaScript −Example Live Demo Document    body {       font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;    }    .result {       font-size: 18px;       font-weight: 500;       color: rebeccapurple;    } Loop through array of arrays containing objects in JavaScript CLICK HERE Click the above button to loop throught the arrObj    let BtnEle = document.querySelector(".Btn");    let resEle = document.querySelector(".result");    let arrObj = [   ... Read More

Following is the code to pass event objects from one function to another in JavaScript −Example Live Demo Document    body {       font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;    } Pass event objects from one function to another in JavaScript CLICK HERE Click the above button to change its font size and color    function changeFont(event) {       event.target.style.fontSize = "32px";       changeColor(event);    }    function changeColor(event) {       event.target.style.color = "red";    } OutputThe above code will produce the following output −On clicking the ‘CLICK HERE’ button −

Following is the code to change an object key without changing the original array in JavaScript −Example Live Demo Document    body {       font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;    } Change an object Key without changing the original array CLICK HERE Click the above button to change the name object key to fullName    let BtnEle = document.querySelector(".Btn");    let resEle = document.querySelector(".result");    let sampleEle = document.querySelector(".sample");    let obj = [       { name: "Rohan Sharma", age: 12 },     ... Read More

Following is the code to a JavaScript array with a condition in JavaScript −Example Live Demo Document    body {       font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;    }    .result, .sample {       font-size: 18px;       font-weight: 500;       color: rebeccapurple;    }    .result {       color: red;    } Joining a JavaScript array with a condition CLICK HERE Click the above button to join the array elements that are divisible by 2.    let BtnEle = ... Read More

Following is the code to join two arrays together in JavaScript −Example Live Demo Document    body {       font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;    }    .result, .sample {       font-size: 18px;       font-weight: 500;       color: rebeccapurple;    }    .result {       color: red;    } Join two arrays in JavaScript CLICK HERE Click the above button to join the above two arrays together.    let BtnEle = document.querySelector(".Btn");    let resEle = document.querySelector(".result");   ... Read More

Following is the code to merge two JavaScript objects together −Example Live Demo Document    body {       font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;    }    .result {       font-size: 18px;       font-weight: 500;       color: rebeccapurple;    } Merge two JavaScript objects CLICK HERE Click the above button to merge person and adress object together.    let BtnEle = document.querySelector(".Btn");    let resEle = document.querySelector(".result");    let person = {       name: "Rohan",       age: 22,    };    let address = {       state: "Delhi",       country: "India",    };    let mergedObj = { ...person, ...address };    BtnEle.addEventListener("click", () => {       for (let i in mergedObj) {          resEle.innerHTML += "Key = " + i + " : Value = " + mergedObj[i] + "";       }    }); OutputThe above code will produce the following output −On clicking the ‘CLICK HERE’ button −

Following is the code to replace array of object property name in JavaScript −Example Live Demo Document    body {       font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;    }    .result {       font-size: 18px;       font-weight: 500;       color: rebeccapurple;    } Replacing array of object property name CLICK HERE Click the above button to change the property name of an object in array    let BtnEle = document.querySelector(".Btn");    let resEle = document.querySelector(".result");    var person = [     ... Read More

Following is the code to find elements of JavaScript array by multiple values −Example Live Demo Document    body {       font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;    }    .result {       font-size: 18px;       font-weight: 500;       color: rebeccapurple;    } Find elements of JavaScript array by multiple values CLICK HERE Click the above button to see if arr contains all elements of arr1 or not    let BtnEle = document.querySelector(".Btn");    let resEle = document.querySelector(".result");    let arr = ... Read More

Following is the code to convert array of comma separated strings to array of objects −Example Live Demo Document    body {       font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;    }    .result, .sample {       font-size: 18px;       font-weight: 500;       color: rebeccapurple;    }    .result {       color: red;    } Convert array of comma separated strings to array of object CLICK HERE Click the above button to convert the above array of strings to objects ... Read More