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ruanyf/default-parameter-by-express.js

Created January 20, 2017 09:21
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默认参数不是传值调用
Raw
default-parameter-by-express.js
let x = 99;
function foo(p = x + 1) {
console.log(p);
}
foo() // 100
x = 100;
foo() // 101
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