❮ 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。
❮ 上一节 JavaScript 数组参考 下一节 ❯ 实例 将项目添加到数组: var fruits = ["Banana", "Orange", "Apple", "Mango"]; fruits.splice(2, 0, "Lemon", "Kiwi"); 亲自试一试 » 页面下方有更多实例。定义和用法splice() 方法向/从数组添加/删除项目,并返回删除的项目。
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slice() Selects a part of an array, and returns the new array some() Checks if any of the elements in an array pass a test 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(...
() // Removes the first element of an array, and returns that element slice([start],[end]) // Selects a part of an array, and returns the new array some(function(currentval,[index],[arr]),[thisVal]) // Checks if any of the elements in an array pass a test sort([compareFunc...
❮PreviousJavaScript ArrayReferenceNext❯ Examples Select elements: constfruits = ["Banana","Orange","Lemon","Apple","Mango"]; constcitrus = fruits.slice(1,3); Try it Yourself » Select elements using negative values: constfruits = ["Banana","Orange","Lemon","Apple","Mango"]; ...
array_slice() Returns selected parts 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 funct...
lettext ="W3Schools"; letresult = Array.isArray(text); Try it Yourself » Description TheisArray()method returnstrueif an object is an array, otherwisefalse. Array.isArray() Array.isArray() is a static property of the JavaScript Array object. ...
If you have an array that contains elements you want to remove, you can use the array_slice function in combination with the array_merge function to create a new array that excludes those elements. Here's an example that demonstrates how to do this:...
Theslice()method slices out a piece of an array into a new array. This example slices out a part of an array starting from array element 1 ("Orange"): var fruits = ["Banana", "Orange", "Lemon", "Apple", "Mango"]; var citrus = fruits.slice(1); ...