❮ 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。
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...
Host your own website, and share it to the world with W3Schools Spaces Create a Server Create your own server using Python, PHP, React.js, Node.js, Java, C#, etc. How To's Large collection of code snippets for HTML, CSS and JavaScript CSS Framework Build fast and responsive sites ...
I tested your code here: http://www.w3schools.com/jsref/tryit.asp?filename=tryjsref_slice_array. I used slice(0, 1). I got "George, Washington" then "George". Which is what I expected.Wednesday, January 18, 2012 2:34 PM
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. ...
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...
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...
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:...