数组去重排序
作者:互联网
created(){
this.arrayDeReordering();
this.arrayDeReorderingTwo();
this.arrayDeReorderingThree();
this.arrayDeReorderingFour();
},
methods:{
// 数组去重排序
// 比大小
sortMethod(arrayData){
return (arrayData.sort(function (x,y) {
return x-y;
}))
},
// 双层循环,外层循环元素,内层循环时比较值 // 如果有相同的值则跳过,不相同则push进数组 arrayDeReordering(){ let arrayData = [14,3,6,8,28,6,5,13,14,1]; let result = []; let len = arrayData.length; for(let i=0;i<len;i++){ for(let j=i+1;j<len;j++){ if(arrayData[i] === arrayData[j]){ j = ++i; } } result.push(arrayData[i]); } console.log(this.sortMethod(result)) return this.sortMethod(result); },
// 利用新数组indexOf查找 arrayDeReorderingTwo(){ let arrayData = [14,3,6,8,28,6,5,13,14,1]; let result = []; let len = arrayData.length; for(let i=0;i<len;i++){ if(result.indexOf(arrayData[i])==-1){ result.push(arrayData[i]); } } console.log(this.sortMethod(result)) return this.sortMethod(result); },
// 利用对象的属性不能相同的特点进行去重 arrayDeReorderingThree(){ let arrayData = [14,3,6,8,28,6,5,13,14,1]; let result = []; let len = arrayData.length; let obj = {}; for(let i=0;i<len;i++){ if(!obj[arrayData[i]]){ obj[arrayData[i]] = 1; result.push(arrayData[i]); } } console.log(this.sortMethod(result)) return this.sortMethod(result); },
//es6 set arrayDeReorderingFour(){ let arrayData = [14,3,6,8,28,6,5,13,14,1]; console.log(this.sortMethod([...new Set(arrayData)])) return this.sortMethod([...new Set(arrayData)]); } } 原文:https://blog.csdn.net/qq_36711388/article/details/79488291
// 双层循环,外层循环元素,内层循环时比较值 // 如果有相同的值则跳过,不相同则push进数组 arrayDeReordering(){ let arrayData = [14,3,6,8,28,6,5,13,14,1]; let result = []; let len = arrayData.length; for(let i=0;i<len;i++){ for(let j=i+1;j<len;j++){ if(arrayData[i] === arrayData[j]){ j = ++i; } } result.push(arrayData[i]); } console.log(this.sortMethod(result)) return this.sortMethod(result); },
// 利用新数组indexOf查找 arrayDeReorderingTwo(){ let arrayData = [14,3,6,8,28,6,5,13,14,1]; let result = []; let len = arrayData.length; for(let i=0;i<len;i++){ if(result.indexOf(arrayData[i])==-1){ result.push(arrayData[i]); } } console.log(this.sortMethod(result)) return this.sortMethod(result); },
// 利用对象的属性不能相同的特点进行去重 arrayDeReorderingThree(){ let arrayData = [14,3,6,8,28,6,5,13,14,1]; let result = []; let len = arrayData.length; let obj = {}; for(let i=0;i<len;i++){ if(!obj[arrayData[i]]){ obj[arrayData[i]] = 1; result.push(arrayData[i]); } } console.log(this.sortMethod(result)) return this.sortMethod(result); },
//es6 set arrayDeReorderingFour(){ let arrayData = [14,3,6,8,28,6,5,13,14,1]; console.log(this.sortMethod([...new Set(arrayData)])) return this.sortMethod([...new Set(arrayData)]); } } 原文:https://blog.csdn.net/qq_36711388/article/details/79488291
标签:13,数组,28,let,result,arrayData,排序,14 来源: https://www.cnblogs.com/caozhuzi/p/11190671.html