The Javascript switch is used for performing different actions based on various conditions. It allows one to produce more complex programs and the software to respond to different situations it may face.
Milliseconds are used for timing JavaScript events.
No. JavaScript can be used only in HTML and other Web Components
Very unlikely. See, Javascript is used to change the className attribute of the text node. When the className has changed, the node uses the properties that are set with CSS. This means you can keep a text invisible with CSS only, but you'll always need Javascript to switch classes.
JavaScript is used to make HTML DHTML or Dynamic HTML. Provides a lot more interactivity between the web page and the browser provided JavaScript is not turned off.
Javascript can be used on a variety of platforms which require simple computer commands but not a full programming language. Javascript can be used as or in addition to a full fledged programming language.
In JavaScript the validation is done client side, which means it can be easily bypassed by turning JavaScript off in your browser. But with PHP it is server side, which means you can't switch it off, so you can't bypass the validation.
The control structures used in java script are if-statement, for-loop, for-in loop, while loop,do-while loop, switch-statement, with-statement. try-catch-finally statements.
No, Java and JavaScript are nothing to do with each other, JavaScript is a form of EMCAScript, not Java. Every modern browser comes with a JavaScript engine that is used to understand JavaScript. so there is no need for it, no.
HTML5, JavaScript, CSS
In JavaScript undefined is a special value used when a variable has not had a value set to it, or has not been declared.
ID in JavaScript can be used to refer a control. For example getElementbyID("#name-of-id").
When switching content in a website technologies such as jquery and javascript libraries would be used to update sections of content based either on timings or on certain criteria being met