What is the difference between bootstrap3 and 4

##The difference between Bootstrap3 and Bootstrap4

First introduce the official website connection of Bootstrap3 and 4;

Bootstrap3VSBootstrap4.

Differences

##Note:

Four types of grids for Bootstrap3:

Extra small (col-xs-) Suitable for mobile phones (

Small (col-sm-) Suitable For tablets (≥768px)

Medium (col-md-) For computers (≥992px)

Large (col-lg-) For widescreen computers (≥1200px)

Five types of grids for Bootstrap4:

Extra small (col-) (

Small (col-sm-) (≥576px)

Medium (col-md-) (≥768px)

Large (col-lg-) (≥992px)

Extra large (col-xl-) (≥1200px )

Bootstrap4 Features

The new grid layer is adapted to the mobile terminal;

Comprehensive introduction of ES6 new features (rewriting all JavaScript plug-ins) ;

css files have been reduced by at least 40%;

All documents are rewritten with Markdown editor;

Abandon support for IE8

Related recommendations ：《

bootstrap tutorial

》

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