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运算符

算术运算符#

console.log(10/4) //2.5console.log(10%4) //2 此为取余

递增和递减#

let num=1console.log(num++)//结果1console.log(num)//结果2

+-在后面,先运算在+1

+-在前面,先+1在运算

比较运算符#

console.log(12==12)//trueconsole.log(12=='12')//tureconsole.log(12==='12')//falseconsole.log(12==12)console.log(12!='12')//falseconsole.log(12!=='12')//true

逻辑运算符#

&& and

|| or

! not