js的Array的sort()排序方法 Array的sort()方法默认把所有元素先转换为String再排序,字符串是根据ASCII码进行排序,所以sort()方法排序结果画风可能是这样的 //看上去正常的结果:['Google', 'Apple', 'Microsoft'].sort();//['Apple', 'Google', 'Microsoft'];//apple排在了最后:['Google', 'apple', 'Mi...
Thesort()method sorts the elements as strings in alphabetical and ascending order. Thesort()method overwrites the original array. See Also: The Array reverse() Method Sort Compare Function Sorting alphabetically works well for strings ("Apple" comes before "Banana"). ...
alert("降序排列:"+myarray); myarray.st(sortAsc); alert("升序排列:"+myarray); myarray1.sort(function(){return1});//注:js默认的sort对此排序结果跟这个不一样,其排序方式还暂不理解alert("逆序排列:"+myarray1);//-->
The built-insortfunction sorts the elements of an array in place and returns the sorted array. It takes an optional compare function as a parameter. The function is used to determine the order of the elements. It returns a negative value if the first argument is less than the second argumen...
It can be tricky at first to understand the rules for the array sort method in JavaScript. This post should help with that!
javascript sort实现 js的sort函数怎么用 关于Array.prototype.sort()方法的使用一直很模糊,今天深入理解一下。 一、Sort()默认排序 根据《JavaScript高级程序设计》中的介绍: 在默认情况下,sort()方法按升序排列数组——即最小的值位于最前面,最大的值排在最后面。为了实现排序,sort()方法会调用每个数组项的...
一、常用的数组操作 1.数据添加push() 2.数组移除最后一个数据项pop() 3.数组顺序倒置,颠倒reverse() 4.数组排序sort(),数字排在字线前 5.数组截取splice(数组开始位置,截取数据项个数),原数组则去掉截取的这部分数组 <!DOCTYPE html> ...
JavaScript 基础之 关于js中的Array.sort()的使用 TOC 排序顺序 使用sort在实际使用中主要是实现排序,分为升序和降序,官网的解释是 - If compareFunction(a, b) returns a value > than 0, sort b before a. 如果返回的值大于0 ,则 b在a前面...
The sort() method is used to sort the elements of an array.VersionImplemented in JavaScript 1.1Syntaxsort(compareFunction)Parameters compareFunction: The function defines the sort order. If it is not specified the array is sorted in dictionary order, not in numeric order. For example, "30" ...
Sorting an ArrayThe sort() method sorts an array alphabetically:Example const fruits = ["Banana", "Orange", "Apple", "Mango"]; fruits.sort(); Try it Yourself » Reversing an ArrayThe reverse() method reverses the elements in an array:...