Following is the code to to parse and show current time stamp of an HTML audio player −Example Live Demo Document    body {       font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;    }    .result {       font-size: 20px;       font-weight: 500;    } Show Current time stamp of an HTML audio player CLICK HERE Click on the above button to get the audio timestamp    let resEle = document.querySelector(".result");    let BtnEle = document.querySelector(".Btn");    let audioEle = document.querySelector(".audio");    BtnEle.addEventListener("click", () ... Read More

The eval() function is used to evaluate the given string and execute it as JavaScript code. Using eval() is highly dangerous as someone can pass malicious code as input string to one of out inputs.Following is the code to show eval() function in JavaScript −Example Live Demo Document    body {       font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;    }    .result {       font-size: 20px;       font-weight: 500;    } JavaScript eval() function CLICK HERE Click on the above button to see eval() usage ... Read More

The open() method of window object is the best way to open new browser window using JavaScriptFollowing is the code for opening new browser window using JavaScript −Example Live Demo Document    body {       font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;    } Open new browser window using JavaScript CLICK HERE Click on the above button open a new browser window    let BtnEle = document.querySelector(".Btn");    BtnEle.addEventListener("click", (event) => {       window.open("https://www.google.com");    }); OutputOn clicking the ‘CLICK HERE’ button, it will redirect to the specified website −

Following is the code for passing arguments to anonymous functions in JavaScript −Example Live Demo Document    body {       font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;    }    .result {       font-weight: 500;       font-size: 20px;       color: blueviolet;    } Pass arguments to anonymous functions CLICK HERE Click on the above button to call an anonymous function and pass parameters to it    let BtnEle = document.querySelector(".Btn");    let resEle = document.querySelector(".result");    let add = function (a, b) {       return a + b;    };    BtnEle.addEventListener("click", (event) => {       resEle.innerHTML = "The sum of 22 and 19 = " + add(22, 19);    }); OutputOn clicking the ‘CLICK HERE’ button −

To verify if a JavaScript variable has been loaded or not, we can check if it is undefined or has a null value by doing comparison for both the values. We can also use typeof() since it returns string always to know if variable has been loaded or not.Following is the code to verify if a JavaScript variable has been loaded or not −Example Live Demo Document    body {       font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;    }    .result {       font-size: 20px;       font-weight: 500;   ... Read More

Following is the code for getting the child element of a parent using JavaScript −Example Live Demo Document    body {       font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;    }    .child1,    .child2,    .child3 {       display: none;       margin: 10px;       width: 70px;       height: 70px;    }    .child1 {       background-color: red;    }    .child2 {       background-color: pink;    }    .child3 {       background-color: blue;    } Get ... Read More

The WITH statement is used to specify the default object for the given property and allow us to prevent writing long lengthy object references. It adds the given object to the head of the scope chain.Following is the code for with statement in JavaScript −Example Live Demo Document    body {       font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;    }    .result {       font-size: 20px;       font-weight: 500;    } JavaScript with statement CLICK HERE Click on the above button to get the first ... Read More

Following is the code for accessing a parent element using JavaScript −Example Live Demo Document    body {       font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;    }    .result {       font-size: 18px;       font-weight: 500;       color: #8a2be2;    }    .parent1,    .parent2,    .parent3 {       display: inline-block;       margin: 10px;    }    .child1,    .child2,    .child3 {       width: 70px;       height: 70px;    }    .child1 {       background-color: red; ... Read More

Following is the code for checking whether a button is clicked using JavaScript −Example Live Demo Document    body {       font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;    }    .result {       font-size: 18px;       font-weight: 500;       color: blueviolet;    } Checking whether a Button is clicked using JavaScript CLICK HERE Click on the above button to check if the button is clicked    let BtnEle = document.querySelector(".Btn");    let resEle = document.querySelector(".result");    let clickCount = 0;    BtnEle.addEventListener("click", () => {       clickCount++;       resEle.innerHTML =       "The button has been clicked " + clickCount + " times ";    }); OutputOn clicking the button 5 times −

Extracting text enclosed in quotation marks is a common task in programming, especially when working with strings that include quotes. In JavaScript, strings are a data type used to represent text. A string is a sequence of characters enclosed in single quotes ('), double quotes ("), or backticks (`). In JavaScript, strings are a data type used to represent text. JavaScript provides multiple ways to extract text enclosed in quotation marks. This article explains how to extract words or phrases inside quotations from a string efficiently. Extracting text enclosed in quotation marks Extracting text enclosed in quotation marks can ... Read More