for example, if you want to use test (). A ("Isimm A."). B ("Ilemm B"), output how test an I"m A b I"m B should define test?.
for example, if you want to use test (). A ("Isimm A."). B ("Ilemm B"), output how test an I"m A b I"m B should define test?.
function test () {
return {
callInfo: 'test',
a (arg) {
this.callInfo += ' ' + arguments.callee.name + ' ' + arg
return this
},
b (arg) {
return (this.callInfo += ' ' + arguments.callee.name + ' ' + arg)
}
}
}
test().a('I\'m A.').b('I\'m B')
function test() {
function a(){
console.log(" a I'm A ")
return this
}
function b(){
console.log("b I'm B")
return this
}
console.log('test')
return {
a: a,
b: b
}
}
test().a().b() jquery is the big brother in this respect, you can refer to the source code, but this is enough for you to use
downstairs answer is the correct solution.
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