vuact

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JavaScript专题之jQuery通用遍历方法each的实现

each方法，个人感觉这么写更酷一些： ```js function each(obj, callback) { const arraySw = isArrayLike(obj); for (let i in obj) { i = arraySw ? Number(i) : i; if (arraySw && isNaN(i)) { continue; }...

JavaScript专题之函数组合

compose这么写更好些，注意用reduceRight ```js const compose = (...funcs) => { return (val) => { return funcs.reduceRight((a, b) => b(a), val); }; }; ```