Angular JS, Form validation, ng-show, Part-7



AngularJS tutorial – What is AngularJS

In this video, we will discuss
What is AngularJS
Benefits of AngularJS
A simple AngularJS example

What is AngularJS
AngularJS is a JavaScript framework that helps build applications that run in a web browser.

Who developed AngularJS
Google is the company that developed AngularJS. AngularJS is an open source project, which means it can be freely used, changed, and shared by anyone.

AngularJS is an excellent framework for building both Single Page Applications (SPA) and Line of Business Applications. Many companies are using Angular today, and there are many public facing websites that are built with angular.

There is a website, that has the list of websites that are built using AngularJS. Within this list, you can find many popular websites.

What are the benefits of using AngularJS
1. Dependency Injection: Dependency Injection is something AngularJS does quite well. If you are new to Dependency Injection,…

jQuery video tutorial 14 – jQuery id selector



jQuery ID selector :

To select html element(s) by their id attribute value, we use jQuery id selector

Syntax of jQuery ID selector:
$(“CSS ID selector”).action(parameters);
To the jQuery function, if we pass the CSS ID selector then it is called as jQuery ID selector
I.e. a jQuery function with CSS ID selector as a parameter is called as jQuery ID selector

Ex:
$(“#firstp”).css( {“border”:”2px solid blue”} );
It selects any HTML element whose id attribute value is set to “firstp” and applies the border of 2px solid blue
Note: in CSS hash(#) symbol indicates ID selector and id attribute value should be unique

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jQuery video tutorial 15 – jQuery Combination selector



jQuery Combination selector

To select HTML element(s) as specifically as possible, we use jQuery combination selector.

Note: For more specific selection of HTML element(s), In CSS it is possible to combine selectors, which is called as CSS combination selector. To combine selectors; we place selectors one beside another without any separator.
i.e. selector1selector2…
Ex:
tagselectorclassselector,
tagselectoridselector,
tagselectoridselectorattributeselector etc.

Syntax of jQuery Combination selector:
$(“CSS combination selector”).action(parameters);
To the jQuery function, if we pass the CSS combination selector then it is called as jQuery combination selector. I.e. a jQuery function with CSS combination selector as a parameter is called as jQuery combination selector.
EX:
$(“selector1selector2…”).action(parameters);
To the jQuery function, if we pass multiple selectors without any separator then it is called as jQuery combination…

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