Email Validation Using JavaScript – Tutorial
Friday, July 01 2016
Email Validation Using JavaScript: Overview You can perform email validation using JavaScript to validate an email address in a form field. The check is done to ensure the proper syntax and structure of an email address has been entered by the user. The code tests for the “at” symbol (@) and ensures that there
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Comments in JavaScript – Tutorial
Wednesday, March 30 2016
Comments in JavaScript: Overview Comments in JavaScript are primarily used to explain what the code is for or to make it more readable. Single line comments start with a double forward slash (//), but do not have an end tag. Any text that is written after (//) will be completely ignored by JavaScript and
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Introduction to JavaScript- Tutorial
Tuesday, November 17 2015
Introduction to JavaScript: Overview JavaScript is considered a dynamic programming language. It was first released with Netscape Navigator in 1995. Originally called LiveScript, the name was changed when Netscape Navigator added support for the machine language Java. It quickly gained success and Microsoft introduced JavaScript in the release of Internet Explorer Version 3.0
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RegExp Definition and Modifiers- Tutorial
Thursday, September 10 2015
RegExp Definition and Modifiers: Overview This lesson provides information about the RegExp definition and modifiers in JavaScript. RegExp stands for regular expression. In JavaScript, it is an object that describes a pattern of characters. When searching in text, you can use a regular expression to describe what you are looking for, be it a
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Declaration Hoisting in JavaScript- Tutorial
Monday, July 13 2015
Declaration Hoisting in JavaScript: Overview JavaScript always moves declarations to the top of the current script or function. These are also called the “scope.” The term for this default behavior is “hoisting.” When using JavaScript declarations, it is important to note that a variable can be used before it has been declared. This happens
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JavaScript RegExp Syntax- Tutorial
Thursday, May 28 2015
JavaScript RegExp Syntax: Overview RegExp stands for regular expression. In JavaScript, it is an object that describes a pattern of characters. When searching in text you can use a regular expression to describe what you are looking for, be it a single character or a whole word. To search using RegExp you need to
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The FOR Loop in JavaScript- Tutorial
Thursday, March 05 2015
The FOR Loop in JavaScript: Overview Loops are useful in JavaScript when you want to execute the same code over and over with a different value each time. The for loop in JavaScript is used to create a loop in JavaScript. The for Loop in JavaScript loops through a block of code a number
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JavaScript Variables- Tutorial
Friday, February 13 2015
JavaScript Variables: Overview Much like algebra, JavaScript uses letters as containers for storing information, for example: var x=7;. In the previous example, the letter “x” is assigned a numerical value of 7, declaring that any variables with the letter “x” will have a value of 7. JavaScript variables can hold expressions as well
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