ThanksIf you want to calculate the width of all images (when they have different widths) you can do it like this:You're right that it involves a loop, but this is, at least, made simple by use of the Thanks for contributing an answer to Stack Overflow! The calculations I'm performing are irrelevant to my problem really, but I put them in anyway because it's the actual code I'm working with.Below is my current jQuery, which works fine, but it's inefficient because I have to write another chunk of code for every div added. Tx Basically, the jQuery .each() function is used to loop through each element of the target jQuery … So jQuery will just pick the first IMG it can find and returns that width.Ok, just saying that nothing says that all images have the same width but maybe they do.Wow, loads of great responses here.
1、$(selector).each() jQuery 遍历 - each() 方法主要用于DOM遍历，each() 方法规定为每个匹配元素规定运行的函数。 语法： $(selector).each(function(index,element)) W3School上显示回调函数是必须的，index - 选择器的 index 位置，element - 当前的元素（也可使用 "this" 选择器）. Thanks /* Measure the width of each image. Free 30 Day Trial $.each() は jQuery.each() と異なり jQuery オブジェクトだけでなく、配列やハッシュに対して繰り返し処理を行うことができます。 $.each() は以下のように記述します。 1. jQuery 遍历参考手册. By clicking “Post Your Answer”, you agree to our To subscribe to this RSS feed, copy and paste this URL into your RSS reader. 2. Here is the simple syntax to use this method − selector.find( selector ) Parameters. site design / logo © 2020 Stack Exchange Inc; user contributions licensed under Featured on Meta What if I have images of different sizes within the .scrolling div? Previous Page.
The Overflow Blog 定义和用法. When consistently using the keyword Many jQuery methods implicitly iterate over the entire collection, applying their behavior to each matched element. jQuery 遍历 - each() 方法 . By using our site, you acknowledge that you have read and understand our Where developers & technologists share private knowledge with coworkersProgramming & related technical career opportunitiesI´m not sure you need to do this calculations. Stack Overflow for Teams is a private, secure spot for you and I'm pretty sure this will be a really easy answer for you jQuery whizzes, and I'm also pretty such it involves a loop of some kind.I'm trying to perform essentially the same calculation on two separate divs, but assigning a different CSS width value to each id based on the number of images found. How can I standardise this so that it runs through every div with the class of target? Note that in most cases, the "getter" signature returns the result from the first element in a jQuery collection while the setter acts over the entire collection of matched elements.
Stack Overflow works best with JavaScript enabled Next Page . In addition, there are a couple of helpful methods called $.map() and .map() that can shortcut one of our common iteration use cases.. link $.each() $.each() is a generic iterator function for looping over object, arrays, and array-like objects.
jQuery provides an object iterator utility called $.each() as well as a jQuery collection iterator: .each().These are not interchangeable. Advertisements. How can I standardise this so that it runs through every div with the class of target? Description. your coworkers to find and share information. 3 $. Below is my current jQuery, which works fine, but it's inefficient because I have to write another chunk of code for every div added.
How to loop thru jQuery Objects using $(selector).each() jQuery .each() is one of the most frequently used functions. You probably shouldn't call $.ajax() in a loop.// The "this" keyword no longer refers to listItem.// .val() does not change the execution context, so this === window 本文实例讲述了jQuery中find与each方法用法。分享给大家供大家参考。具体如下：一、find()方法jquery选择器非常强大，利用css的命名规约，可以更快更方便的找出想要的元素。图解：比如：$("#id") $("#"+"id") $(this) $(element) 等等，只要灵活运用，就能爆发出强大的可造型。 jQueryを書いていて、特定の条件の要素をすべてピックアップしたいと思うこと、ありませんか？findメソッドは子孫要素を条件で抽出したい場合にぴったりのメソッドです。使いこなせるようになると、要素を個別で指定する必要が無くなるためシンプルなプログラムが書けるようになります。 The exception to this is In addition to a setter value, the attribute, property, CSS setters, and DOM insertion "setter" methods (i.e. The find( selector ) method searches for descendant elements that match the specified selector. 输出每个 li 元素的文本： $("button").click(function(){ $("li").each(function(){ alert($(this).text()) }); }); 亲自试一试.
How can I make sure it calculates the total width?
For example, this is unnecessary:On the other hand, some methods do not iterate over the collection.
Have you tried to solve it with pure CSS?True, but the starter sayd his code works, and I currently only added the loop, so should be still working. jQuery - find( selector ) Method. Whether intentional or inadvertent, the execution context may change. Niel, your solution worked really well, but I'm interested in David's comment - perhaps this was an error with my original code too. Syntax.
实例. Get Object by jQuery ID Selector (#id) Getting an object by id is utilized to search specified by the id attribute of an element. One other thing to keep in mind with this implicit iteration is that traversal methods such as There is a common iteration use case that can be better handled by using the // For example only.