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Javascript学习笔记Boolean type conversions
1
1
. bool
in
number
--
true
=
1
,flase
=
0
;
2
2
.bool used
in
string ,
true
=
"
true
"
,
false
=
"
false
"
;
3
3
.number used as
boolean
---!
0
&&!
NaN
=
true
4
3
.string not empty,not
null
and undefine
=
true
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原文地址:https://www.cnblogs.com/binlyzhuo/p/1504634.html
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