let obj ={
a :true,
b:[]
}
if(obj.a && obj.b){
console.log(324)
}
//324 obj.b
//
obj.b => [] => Boolean([]) => true
//
[]===[]
//false
* *
< H2 > add: how can I modify it if I want to implement the usual function that only executes 1 for true? This array is sometimes a non-empty array < / H2 >* *
[] typeof = > "object"and then convert totrue
nullexcept for objects
if==;
ifObjecttrueTo Boolen;
==ToPrimitive;
[]===[]:[]false
obj.b
: [] == false true
https://www.cnblogs.com/nanch...
obj.a = true
obj.b = [] true
true
this is the difference between js and python. Empty arrays and empty objects are all true
any object that converts Boolean to true
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