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2.对象数组去重 const arr = [{id: 1},{id: 2},{id: 3},{id: 2}]; const hash = {}; const arrResult = arr.reduce((preVal, curVal) => { hash[curVal.id] ? '' : has 阅读全文
摘要：
function test() { var name = 'alice'; return { getName : function() { console.info(name); }, setName : function(newName) { name = newName; } }};var pe 阅读全文
摘要：
var Person = { name : 'alice', say : function(txt1,txt2) { console.info(txt1+txt2); console.info(this.name); }}var Dog = { name : 'tom', say : functio 阅读全文