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Regular expression for validating numbers in javascript

regular expression for validating numbers in javascript-17

Conditional Compilation of JScript/ Java Script in IE IE supports a little known feature called conditional compilation that selectively compiles any block of JScript or Java Script depending on your script logic.

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Java Script Closures 101- they're not magic Morris Johns explains Java Script closures, a powerful yet often bewildering concept, in a gentle, step by step fashion.The Java Script core language features are defined in a standard called ECMA-262.The language defined in this standard is called ECMAScript.Dynamically loading an external Java Script or CSS file External Java Script or CSS files do not always have to be synchronously loaded as part of the page, but dynamically as well.In this tutorial, we'll see how to load, remove, and replace external Java Script and CSS files on demand and asynchronously. Java Script and memory leaks If you're not careful, your Java Script code may leak memory and sometimes even bring the visitor's browser to its knees.Top five features in Java Script ES6 Worth Mastering Java Script ES6 adds a slew of new features to the Java Script language, some more groundbreaking and widely applicable than others.

In this article I list the top 5 Java Script ES6 features I find most indispensible.

External Java Script and PHP External Java Script can reference not just files, but PHP scripts as well.

See how this is done, and the wonderful possibilities linking PHP to Java Script bring.

Changing Select element content on the fly This tutorial explains how to change a select element's content using Java Script, from adding new options to modifying and deleting them.

It also shows how to create a 2 level interdependent select list.

See how to take advantage of this method in this comprehensive tutorial.