​Coder Life at New Zealand

arrow function always points to "this" of this father element

sometime you can not control the hight of a div, as you has already set a very large padding there

Z-index only works on element who has position attribute.

just pay attention to this

you can use margin: auto to achieve this effect. However, you can not use position. I have try this. I you truly need a positioning, you...

Jquery is all about event and funciton. The design idea is basically simply. This is: we use '$' to select an element and choose a type...

12 Grids system make the layout of a bootstrap website responsive. The core idea is to manipulate "12 Grids system"

Another things I need to mention: you need a perfect knowledge structure. Knowledge or technolodge are the same. People need it to some...

the most important of prototype is to share and reuse.

01 Simply display some "<div>"， whenever you need. Aslo, you can use "map" function to display multiple "<div>". This makes react...

I have summaried lots of self-study strategies, there is a common idea. That is "input" and "output" at the same time. Therefore, you can...

There are several reasons that lead to study on my own. 01 Build a solid knowledge structure. 02 Easy to extend and summarise. 03 Keep...

in a js file, the basic logic is simply By understanding this, it is easy to write a javascript file. First, you need to catch a...

Similarly in no-sql, Map looks like a function but it return a new array for a variable. 用起来很方便 This is designed for lazy people, as they...

it is not hard to find that, people solve problems in a same way. for example, how could you call your parent class? C# 's solution:...

For example, to control the movement of "div" element. You need two thing: 1 define the element (catch by 'id') 2 define the movement...

Encapsulation includes the idea that the data of an object should not be directly exposed.  Instead, callers that want to achieve a given...

Jsbin a pen by captain