splice() 方法向/从数组添加/删除项目,并返回删除的项目。注释:splice() 方法会改变原始数组。浏览器支持表中的数字表示支持该方法的第一个浏览器版本。方法 splice() Yes Yes Yes Yes Yes语法array.splice(index, howmany, item1, ..., itemX)参数...
The Array splice() Method The Array slice() MethodSyntaxarray.toSpliced(index, count, item1, ..., itemX)ParametersParameter Description index Required.The index (position) to add or remove items. A negative value counts from the end of the array. count Optional.Number of items to be remov...
[thisVal]) // Checks if any of the elements in an array pass a test sort([compareFunc]) // Sorts the elements of an array splice(index,[quantity],[item1,...]) // Adds/Removes elements from an array toString() // Converts an array to a string, and returns the result unshift(...
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❮PreviousJavaScript ArrayReferenceNext❯ Examples // Create an Array constfruits = ["Banana","Orange","Apple","Mango"]; // At position 2, add "Lemon" and "Kiwi": fruits.splice(2,0,"Lemon","Kiwi"); Try it Yourself »
❮ 上一节 JavaScript 数组参考 下一节 ❯ 实例 从数组中选择元素: var fruits = ["Banana", "Orange", "Lemon", "Apple", "Mango"]; var citrus = fruits.slice(1, 3); 亲自试一试 » 页面下方有更多实例。定义和用法slice() 方法以新的数组对象,返回数组中被选中的元素。
sort() Sorts the elements of an array splice() Adds/Removes elements from an array toString() Converts an array to a string, and returns the result unshift() Adds new elements to the beginning of an array, and returns the new length valueOf() Returns the primitive value of an array«...
array_splice() Removes and replaces specified elements of an array array_sum() Returns the sum of the values in an array array_udiff() Compare arrays, and returns the differences (compare values only, using a user-defined key comparison function) array_udiff_assoc() Compare arrays, and retu...
The splice() Method The copyWithin() Method Syntax array1.concat(array2,array3, ...,arrayX) Parameters ParameterDescription array1,...Required. The array(s) to be concatenated. Return Value TypeDescription ArrayThe content from the joined arrays. ...
splice()can be used to add new elements to Array. varfruits=["Banana","Orange","Apple","Mango"];fruits.splice(2,0,"Lemon","Kiwi");// [ 'Banana', 'Orange', 'Lemon', 'Kiwi', 'Apple', 'Mango' ] The first parameter (2) defines the position where new elements should be added ...