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function concurRequest(maxnum) { return new Promise((resolve, reject) => { let index = 0 let count = 0 const results = [] async function request() { c 阅读全文
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function deepClone(value){ const map=new WeakMap() function _deepClone(value){ if(value null || typeof value !== 'object'){ return value } if(map.has( 阅读全文
摘要:
class Person { constructor(name, age) { this.name = name this.age = age } } function creataOnlyOneCls(target) { let cls; return new Proxy(target, { co 阅读全文