Briefly about HTML , CSS , JavaScript is positioned in the web development?
Html: HTML. Used to define the structure of the web.
Css: Cascading Style Sheets, used to embellish the page.
Javascript: validate form, do dynamic effects.
Brief ajax? Allows asynchronous page updates .
js and jQuery relations ?
js included jQuery , it encapsulates js properties and methods.
Jquery common selector?
Id class label wildcard attribute selector level selector
Jquery page loaded event?
The first:
$(document).ready(function(){
})
The second:
$(function(){
})
Jquery 's ajax and native js achieve ajax What is the relationship?
Jquery in ajax also by native js package. After the completion of the package will be more convenient to use, regardless of the underlying implementation or compatibility process.
Briefly about html5 ? You have to know right now that the new technology?
H5 is the latest version of HTML , in the original H4 enhances the basis of some of the labels on. Html5 , CSS3 .
Briefly about CSS3 ?
Css3 is the latest version of CSS , it is css2 enhanced.
The disadvantage is to be handled according to the compatibility of different browsers.
Bootstrap what is?
It is a priority of the mobile device UI frame. We can not write any CSS , JS code that will be able to achieve more beautiful interactive page. Usually I use is to remove the system.