With the help of following example we can understand that how we can use MySQL INTERVAL keyword with EXTRACT() function −mysql> Select StudentName, RegDate, EXTRACT(YEAR from RegDate+INTERVAL 2 year) AS 'Two Year Interval' from testing where StudentName = 'Gaurav'; +-------------+---------------------+-------------------+ | StudentName | RegDate             ... Read More

As we know that with the help of MySQL UNIX_TIMESTAMP function, we can produce the number of seconds from given date/DateTime. But when we try to convert a date like ‘1965-05-15’ it would give 0(Zero) as output because the range of TIMESTAMP is between ‘1970-01-01 00:00:01’ to ‘2038-01-19 08:44:07’. Hence, ... Read More

Using HTML forms, you can easily take user input. The tag is used to get user input, by adding the form elements. Different types of form elements include text input, radio button input, submit button, etc.Let’s learn about the tag, which helps you to take user input using ... Read More

In layman language, an acronym is a word formed by taking letters of each word in a phrase to form an abbreviation. Acronyms are a subset of abbreviations i.e. abbreviation is a shortened form of a word.The tag isn’t supported in HTML5 and is deprecated now. Do not use. ... Read More

JavaScript ClosuresIn JavaScript, all functions work like closures. A closure is a function, which uses the scope in which it was declared when invoked. It is not the scope in which it was invoked.Here’s an exampleLive Demo           JavaScriptClosures             ... Read More

To achieve what you want, use JavaScript Closures. A closure is a function, which uses the scope in which it was declared when invoked. It is not the scope in which it was invoked.ExampleLet’s take your example and this is how you can achieve your task. Here, innerDisplay() is a ... Read More

To redirect if JavaScript is not enabled in the web browser, add a script to the tag. Let us say you need to redirect to index.php if JavaScript is not enabled. ExampleHere’s how you can do this:           HTML noscript Tag                                                        html{display:none;}          

In JavaScript, undefined is a type, whereas null an object.undefinedIt means a variable declared, but no value has been assigned a value.For example, var demo; alert(demo); //shows undefined alert(typeof demo); //shows undefinednullWhereas, null in JavaScript is an assignment value. You can assign it to a variable.For example, var demo = ... Read More

JavaScript resources include resources for the scripting languages standard ECMAScript.This is standardized in the ECMA-262 and ECMA-402 specifications.Here is the ECMAScript standard for the current editions:ECMA-2629th Edition - This is ECMAScript 2018 Language Specification.ECMA-402 5th Edition - This is ECMAScript 2018 Internationalization API Specification.Here are the ECMAScript standards for historical ... Read More

Submit button automatically submits a form on click. Using HTML forms, you can easily take user input. The tag is used to get user input, by adding the form elements. Different types of form elements include text input, radio button input, submit button, etc.Let’s learn about how to use ... Read More