在反转其元素的顺序后返回数组。 注意:reverse()方法颠倒了元素的顺序,这意味着它改变了原始数组并且没有复制。 示例:反转数组的元素 varlanguages = ["JavaScript","Python","C++","Java","Lua"];console.log("Original Array: "+ languages);// reversing array orderr
vara = [1,2,3,4,5];varb = a.reverse();//b = [5,4,3,2,1] splice(start,deleteCount,val1,val2,...):从start位置开始删除deleteCount项,并从该位置起插入val1,val2,... vara = [ 1,2,3,4,5];varb = a.splice( 2,2,7,8,9);//a:[1,2,7,8,9,5] b:[ 3,4]varb =...
reverse(); alert(colors.toString()); //输出:5,4,3,2,1 这里数组的初始顺序是1、2、3、4、5,调用数组的reverse()方法后,其值顺序变为5、4、3、2、1 2、sort() 用法:arrayobj.sort(sortfunction) 参数说明: (1)arrayObj 必选项,任意 Array 实例。 (2)sortFunction 可选项,是用来确定元素顺序...
Reverse the order of the elements in an array:var fruits = ["Banana", "Orange", "Apple", "Mango"]; fruits.reverse(); The result of fruits will be:Mango,Apple,Orange,BananaTry it yourself » Definition and UsageThe reverse() method reverses the order of the elements in an array....
The reverse() method returns the array in reverse order. Example let numbers = [1, 2, 3, 4, 5]; // reversing the numbers array let reversedArray = numbers.reverse(); console.log(reversedArray); // Output: [ 5, 4, 3, 2, 1 ] reverse() Syntax The syntax of the reverse() ...
console.log('字符串数组stringArray:'+ stringArray); Chrome输出的结果: 字符串数组stringArray:Beluga,Humpback,blue 数字字符串数组排列 创建一个数字字符串数组之后对数组进行排序,对比数字数组分别指定与不指定比较函数的结果: varnumericStringArray = ['80','9','700'];functioncompareFunction(a, b) {retu...
2. 实例方法:介绍 Array 对象的实例方法:concat、every、filter、forEach、indexOf、join、lastIndexOf、map、pop、push、reverse、shift、slice、sort、splice、toString、tounshift等。 3. 静态方法:介绍 Array 对象的静态方法:Array.isArray()。 4. 实际操作:对 Array 进行示例操作:索引、for遍历、浅度复制、深...
The reverse() method simply reverses the order of items in an array. Demo varvalues = [1, 2, 3, 4, 5]; values.reverse(); console.log(values);//5,4,3,2,1 Result Here, the array's values are initially set to 1, 2, 3, 4, and 5. ...
JavaScript数组翻转函数reverse使用范例 下面的代码演示了JS中如果通过数组的reverse方法将数组元素反转过来 <!DOCTYPE html> Click the button to reverse the order of the elements in the array. Try it var fruits = ["Banana", "Orange", "Apple", "Mango"]; function myFunction...
Thereverse()method reverses the order of the elements in an array. Thereverse()method overwrites the original array. See Also: The toReversed() Method Syntax array.reverse() Parameters NONE Return Value TypeDescription ArrayThe array after it has been reversed. ...