vuejs遍历 对象 数组 集合 字典
遍历对象
//forin循环 letobjs=[{ id:1, name:'object1' },{ id:2, name:'object2' },{ id:3, name:'object3' }] for(varobjinobjs){ console.log('name') console.log(objs[obj]['name']) console.log('obj') console.log(objs[obj]) console.log('对象数组中地址') console.log(obj) }
遍历数组
//forin循环 letarrys=['张三','李四','王五'] for(vararryinarrys){ console.log('数组内容') console.log(arrys[arry]) console.log('数组下标') console.log(arry) }
遍历集合
//for循环 letobj={ id:1, name:'object1' } letobj1={ id:2, name:'object2' } letlists=[] lists.push(obj) lists.push(obj1) for(vari=0;i<=lists.length;i++){ console.log("内容"); console.log(lists[i]); console.log("集合对象属性"); console.log(lists[i]['name']); console.log("集合下标"); console.log(i); }
遍历字典(Map)
原文链接://forin循环 letdics={ b:2,c:3,a:1 } for(varkeyindics){ console.log("key:"+key+"value:"+dics[key]) } console.log("字典元素按key值排序:"); varres=Object.keys(dics).sort(); for(varkeyinres){ console.log("key:"+res[key]+",value:"+dics[res[key]]); } console.log("字典元素按value值排序:"); varres2=Object.keys(dics).sort(function(a,b){returndics[a]-dics[b];}); for(varkeyinres2){ console.log("key:"+res2[key]+",value:"+dics[res2[key]]); }
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