To add class, use nth-child(odd) and nth-child(even). Following is the code −Example Live Demo Document MongoDB Javascript Java MySQL    .subjectName:nth-child(odd) {       color: blue;    }    .subjectName:nth-child(even) {       color: purple;    } ... Read More

Type casting means conversion of one data type to another explicitly. In JavaScript some of the most common methods to convert a datatype to either string using String(), to boolean using Boolean(), or to number using Number().Following is the code for type casting in JavaScript −Example Live Demo ... Read More

Type coercion means conversion of a datatype to another automatically or implicitly.Following is the code for JavaScript type coercion −Example Live Demo Document    body {       font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;    }    .result, .sample {       font-size: ... Read More

The finally statement always executes after try and catch block regardless of if there was an error or not.Following is the code for the finally statement in JavaScript −Example Live Demo Document    body {       font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;   ... Read More

Following is the code for returning values from a constructor in JavaScript −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 creating a JavaScript constructor using the ‘new’ operator −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 to add a property, method to a JavaScript constructor −Example Live Demo Document    body {       font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;    }    .result {       font-size: 20px;       font-weight: 500;   ... Read More

To stop a function during its execution, use the concept of −document.getElementById().addEventListener().Example Live Demo Document Call the function Stop the function execution    document.getElementById("call").addEventListener("click", callFunction);    document.getElementById("halt").addEventListener("click", haltFunction);    var timeValue = null;    function callFunction() {       ... Read More

Following is the code to add, access and delete JavaScript object properties −Example Live Demo

Range Underflow − If the element value is less than that of the specified in min attribute, it sets to true.Range Overflow − If the element value is more than that of the specified in max attribute, it sets to true.Following is the code for Range overflow and range underflow ... Read More