function we中的callback为什么会打印something
function learn(something){
console.log(something)
}
function we(callback,something){
something+='is cool';
callback(something);
}
这段代码function we 中的callback为什么打印出something呢
function learn(something){
console.log(something)
}
function we(callback,something){
something+='is cool';
callback(something);
}
这段代码function we 中的callback为什么打印出something呢
2017-02-28
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