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248 views

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javascript - 我的.JS文件中的JQuery'$'得到“ ReferenceError：$未定义”(JQuery '$' getting “ReferenceError: $ is not defined” when in my .JS file)

My code works when I write the JS in HTML like so: (当我用HTML编写JS时，我的代码可以正常工作，如下所示：) <!DOCTYPE html> <html> <head> ... (任何帮助，将不胜感激！) Thanks (谢谢) ask by MattCouthon translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

387 views

1 answer

javascript - Array.prototype.slice.call（）如何工作？(how does Array.prototype.slice.call() work?)

我知道它用于使参数成为一个真正的数组，但我不明白使用Array.prototype.slice.call(arguments)时会发生什么 ask by ilyo translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

453 views

1 answer

javascript - 具有ID的DOM树元素是否会成为全局变量？(Do DOM tree elements with ids become global variables?)

Working on an idea for a simple HTMLElement wrapper I stumbled upon the following for Internet Explorer and Chrome : (在研 ... 览器中的getElementById方法？) ask by KooiInc translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

301 views

1 answer

javascript - 我的.JS文件中的JQuery'$'得到“ ReferenceError：$未定义”(JQuery '$' getting “ReferenceError: $ is not defined” when in my .JS file)

My code works when I write the JS in HTML like so: (当我用HTML编写JS时，我的代码可以正常工作，如下所示：) <!DOCTYPE html> <html> <head> ... (任何帮助，将不胜感激！) Thanks (谢谢) ask by MattCouthon translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

549 views

1 answer

javascript - 显示基于Java中数字的“最接近”值的最佳方法是什么？（例如1 =生气，2 =快乐，如果为1.6，则返回快乐）(What is the best way to show the 'closest' value based on a number in Javascript? (e.g. 1=Angry, 2=Happy, if 1.6, return Happy))

As the topic states what is the best way to make it so that when you pass an array of emotions/values, to show the closest ... 态而又不会使代码行变得太长？) ask by Rolando translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

145 views

1 answer

javascript - JavaScript的String strip（）？ [重复](String strip() for JavaScript? [duplicate])

This question already has an answer here: (这个问题已经在这里有了答案：) Trim string in JavaScript? (在JavaScript中修剪字符串？) 25 ... get turned into (都变成了) "dog" ask by rawrrrrrrrr translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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328 views

1 answer

javascript - 如何在下拉列表中选择一个值？(How to select a value in dropdown javascript?)

i have a drop down like this (我有这样的下拉菜单) <select style="width: 280px" id="Mobility" name="Mobility"> <option ... Mobility"); element.value = "10"; ask by karthick translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

377 views

1 answer

javascript - 如何在javascript中检索用户代理值（未定义代理）？(How to retrieve user-agent value in javascript (Agent is not defined)?)

我想从标头中检索用户代理值，但是当我运行代码时，它表明未定义代理，这似乎是程序无法识别“-”。 ask by P Kwong translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

192 views

1 answer

javascript - 使用Javascript函数设置输入值(Set Value of Input Using Javascript Function)

I'm currently using a YUI gadget. (我目前正在使用YUI小工具 ) I also do have a Javascript function to validate the output that ... 值设置为"" ？) ask by Ali Taha Ali Mahboub translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

251 views

1 answer

javascript - 在Javascript中加入延迟(Put a Delay in Javascript)

I need to add a delay of about 100 miliseconds to my Javascript code but I don't want to use the setTimeout function of the window ... ? (有没有人有什么建议？) ask by JGC translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

328 views

1 answer

javascript - 将Javascript对象编码为Json字符串(Encoding Javascript Object to Json string)

I want to encode a Javascript object into a JSON string and I am having considerable difficulties. (我想将Javascript对象编 ... php encodejson函数 ) ask by Lukas Oppermann translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

462 views

1 answer

javascript - 找到具有特定类的最近的祖先元素(Find the closest ancestor element that has a specific class)

How can I find an element's ancestor that is closest up the tree that has a particular class, in pure JavaScript ? (如何在纯 ... 在p上尝试这个并搜索ancestor ) ask by rvighne translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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374 views

1 answer

I'm in the middle of a project where I need to show a popup when two or more buttons have been clicked. (我在一个项目的中间，当单击两 ... ? (有谁知道这是怎么做到的吗？) ask by Ana Fernández translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

563 views

1 answer

javascript - 您可以强制Vue.js重新加载/重新渲染吗？(Can you force Vue.js to reload/re-render?)

Just a quick question. (只是一个简单的问题。) Can you force Vue.js to reload/recalculate everything? (您可以强制Vue.js重新加载/重新计算所有内容吗？) If so, how? (如果是这样，怎么办？) ask by Dave translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

521 views

1 answer

javascript - ES6模板文字可以在运行时替换（或重用）吗？(Can ES6 template literals be substituted at runtime (or reused)?)

tl;dr: Is it possible to make a reusable template literal? (tl; dr：是否可以制作可重用的模板文字？) I've been trying to use template literals ... 生物，因为它们产生扭曲的感觉的区域 ) ask by Josh translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

191 views

1 answer

javascript - <script type =“text / template”> ... </ script>的说明(Explanation of <script type = “text/template”> … </script>)

I just stumbled upon something I've never seen before. (我偶然发现了一些我以前从未见过的东西 ) In the source of Backbone.js's example ... ) Is this legit? (这是合法的吗？) ask by Matt translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

438 views

1 answer

javascript - 滚动后如何检查元素是否可见？(How to Check if element is visible after scrolling?)

I'm loading elements via AJAX. (我正在通过AJAX加载元素 ) Some of them are only visible if you scroll down the page. (仅当您向下滚动页面时，其中一 ... 以知道某个元素是否现在在页面的可见部分中？) ask by yoavf translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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450 views

1 answer

javascript - 过滤嵌套数组，并与父对象一起更新数组-JS(Filter nested array and update the array along with the parent object - JS)

I have an array of objects and I need to add a key to the object as well as the parent array/object with the same values. (我 ... (我被困在尝试根据值筛选数据 ) ask by a2441918 translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

542 views

1 answer

javascript - Javascript是否实现了（全局照明）渲染器？(Any (Global Illumination) renderers implemented by Javascript?)

I am wondering if there is any (GI) renderers implemented by Javascript? (我想知道是否有Javascript实现的（GI）渲染器？) Furthermore, is it ... 以在node.js上制作一个？) ask by Drake Guan translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

349 views

1 answer

javascript - jQuery已弃用同步XMLHTTPRequest(jQuery has deprecated synchronous XMLHTTPRequest)

Like many others, my website is using jQuery. (像许多其他网站一样，我的网站使用的是jQuery ) When I open the developer tools, I see a warning that ... 服务中，他们是否需要修改其现有代码？) ask by Edd translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

312 views

1 answer

javascript - 在JavaScript中检测IE版本（v9之前的版本）(Detect IE version (prior to v9) in JavaScript)

I want to bounce users of our web site to an error page if they're using a version of Internet Explorer prior to v9. (如果他们使 ... 还有其他明显的问题要注意吗？) ask by Chad Decker translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

518 views

1 answer

javascript - 在Modal的子组件中设置BackAndroid / BackHandler事件侦听器不会触发(BackAndroid/BackHandler Event Listeners are not Triggered when set in a Modal's Child Component)

I am unable to set event listeners using the react-native BackHandler in a component that is placed inside a modal. (我无法在模态内 ... 的事件侦听器的方法 ) ask by Marcelo Dauane translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

401 views

1 answer

javascript - 查找结果为其他3个数组元素之和的数组元素，d = a + b + c(Find array element which results as a sum of other 3 array elements, d = a + b + c)

Task You are given a sorted integer array arr. (任务您将获得一个排序的整数数组arr ) It contains several unique integers(negative, ... (如何处理数组中的负值？) ask by metamorph_online translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

292 views

1 answer

javascript - 如何使用JavaScript从YouTube频道URL获取频道ID(How to get Channel Id from a YouTube channel URL using JavaScript)

我正在使用YouTube API创建网站，我需要获取用户频道ID才能检索数据。我如何使用JavaScript执行此操作，请先感谢?? ask by Sanju GB translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

256 views

1 answer

javascript - 在React-Native Formik onBlur（）函数中调用prop和function(Calling prop and function in React-Native formik onBlur() function)

At the moment I am trying to call a function and the formikProps in my onBlur TextInput function at the same time. (目前，我试图同 ... 't. (但事实并非如此 ) ask by louisrtz translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

438 views

0 answers

javascript - 错误的React将事件监听器的行为钩住(Wrong React hooks behaviour with event listener)

I'm playing around with React hooks and faced a problem. (我在玩React钩子，遇到了一个问题 ) It shows the wrong state when ... ：//codesandbox.io/s/w2nn3mq9vl) ask by Mark Lano translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

492 views

1 answer

javascript - $（document）.ready等同于没有jQuery($(document).ready equivalent without jQuery)

I have a script that uses $(document).ready , but it doesn't use anything else from jQuery. (我有一个使用$(document).ready的 ... 框架等之后， window.onload会触发 ) ask by FlySwat translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

544 views

1 answer

javascript - API请求返回两个对象：如何使用一个Reducer在Redux中分离状态？(API Request Returns Two Objects: How Do I Separate State in Redux with One Reducer?)

I have an API call, that is returning two objects: data and pageOutput. (我有一个API调用，它返回两个对象：data和pageOutput ) { data: "[{ ... 够清楚-乐于提供任何其他代码 ) ask by John Rogerson translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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