About the relationship between 0,null,undefined,[],{},'''''''',false in JS

Comparison of 0 with some imaginary value:

0 and false

0==false
true

0 and '':

0==''
true 

0 and []:

0==[]
true 

0 given NaN:

0 == NaN
false

0与undefined

0==undefined
false

0 and null

0==null
false 

0 and {}

0=={}
false

''Comparison of empty value with some value

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1 2 3 4 5 6 7 8 9 10 11 12

'' == false true '' ==undefined false '' == null false '' ==NaN false '' ==[] true '' =={} false

 Null is equal to false,[]

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1	undefined == null ==> true

I don't know what the comparison of these values ​​is. Whether these values ​​are equal together can be used in some js

Let's add the relationship between undefined, null, empty string, false, true in js.

Because I have seen in other books that undefined, null, and empty strings can be used as false in the if statement, I always thought that undefined, null, empty strings, and false are equal;

Some time ago, I accidentally found that undefined==null when writing code; but these two are not equal to null characters and false; to understand the relationship between them, I interviewed on the browser again; the following are the experimental results

false为boolean型；‘'为字符串型；当不考虑他们的数据类型时两者相等；当考虑数据类型时两者不相等

实验发现null的数据类型为object ；无论是否考虑数据类型空字符和空都不相等

当不考虑字符类型时发现undefined等于null 当考虑字符类型时undefined不等于空