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javascript - 当没有数据来自API时如何在React中向用户显示错误消息(How to show an error message to the user in React when no data coming from API)

In my React APP , I implemented an error message to occur when there are issues in getting the data from API. (在我的React APP中，当从 ... 略了这一点，因此无法弄清原因 ) ask by Jakub translate from so...

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

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500 views

1 answer

javascript - TypeError：中间件不是函数 React Redux Firebase的v3迁移指南(TypeError: middleware is not a function Error | v3 Migration Guide on React Redux Firebase)

I was using these packages but Suddenly I got this error on middleware composition when I created a new react app using ... ('root') ); ask by KABIN POKHREL translate from so...

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

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310 views

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javascript - 测试交换机中的多个案例，如OR（||）(Test for multiple cases in a switch, like an OR (||))

How would you use a switch case when you need to test for a or b in the same case? (你会如何使用switch case ，当你需要在相 ... -page": alert("goodbye"); break; } ask by Andres translate from so...

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

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152 views

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javascript - 从html表单调用Javascript(Calling Javascript from a html form)

I am basing my question and example on Jason's answer in this question (我将我的问题和示例基于Jason在此问题中的回答) I am trying ... " />Mome raths</p> </form> ask by Joshxtothe4 translate from so...

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

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503 views

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javascript - typeahead.js-未捕获的TypeError：this.displayText（…）.toLowerCase不是函数(typeahead.js - Uncaught TypeError: this.displayText(…).toLowerCase is not a function)

I've been messing around with typeahead.js templates. (我一直在搞乱typeahead.js模板 ) No matter what I do, I keep getting the ... 问题，并使模板正常工作？) ask by Appel Flap translate from so...

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

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446 views

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javascript - 使用JavaScript将秒转换为HH-MM-SS？(Convert seconds to HH-MM-SS with JavaScript?)

如何使用JavaScript将秒转换为HH-MM-SS字符串？ ask by Hannoun Yassir translate from so...

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

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392 views

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javascript - 从axios请求捕获错误时重定向(Redirecting when catching an error from axios request)

I'm trying to redirect to an error page I made when I catch an error from an axiosRequest. (我试图重定向到我从axiosRequest捕获错误时 ... ? (我怎样才能做到这一点？) ask by Stackoverflowed translate from so...

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

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217 views

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php - 获取从PHP到JavaScript的变量[重复](Get variable from PHP to JavaScript [duplicate])

This question already has an answer here: (这个问题在这里已有答案：) How do I pass variables and data from PHP to JavaScript? ... it possible? (这怎么可能？) ask by praveenjayapal translate from so...

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

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367 views

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javascript - 如何跳转到浏览器页面的顶部(How to jump to top of browser page)

I'm writing a modal popup and I need the browser to jump to the top of the screen when the open modal button is pressed. (我 ... 法使用jQuery将浏览器滚动到顶部？) ask by Exitos translate from so...

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

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425 views

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javascript - 触发JS / jQuery中的keypress / keydown / keyup事件？(Trigger a keypress/keydown/keyup event in JS/jQuery?)

What is the best way to simulate a user entering text in a text input box in JS and/or jQuery? (模拟用户在JS和/或jQuery中的文本输入框中输入 ... this? (那么，一个人如何做到这一点呢？) ask by Alex translate from so...

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

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543 views

1 answer

javascript - jQuery：等待/延迟1秒而不执行代码(jQuery: Wait/Delay 1 second without executing code)

I can't get the .delay method working in jQuery: (我无法在.delay方法：) $.delay(3000); // not working $(queue).delay(3000); // ... 找不到任何方法来执行X秒的执行 ) ask by Brian Graham translate from so...

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

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587 views

1 answer

javascript - 并行调用异步/等待功能(Call async/await functions in parallel)

As far as I understand, in ES7/ES2016 putting multiple await 's in code will work similar to chaining .then() with promises, ... 问的是更通用的用例 ) ask by Victor Marchuk translate from so...

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

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459 views

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javascript - HTML文件不会在浏览器中显示任何内容(HTML File will not show anything in browser)

I have been trying to practice javascript by coding a simple 2D Tetris game, but when I view it in the browser after ... }); } drawMatrix(matrix); ask by jmin22 translate from so...

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

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270 views

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javascript - HTML页面上的Google Cloud Speech API(Google Cloud Speech API on HTML page)

I have implemented Google Cloud Speech API in ac# console API. (我已经在ac＃控制台API中实现了Google Cloud Speech API ) Now I want ... work either. (但这也不起作用 ) ask by Abhishek translate from so...

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

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316 views

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javascript - 我可以在同一页面上使用多个版本的jQuery吗？(Can I use multiple versions of jQuery on the same page?)

A project I'm working on requires the use of jQuery on customers' Web pages. (我正在从事的项目需要在客户的网页上使用jQuery ) Customers will ... 额外的<iframe>的性能和复杂性损失） ) ask by Bungle translate from so...

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

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221 views

1 answer

javascript - 如何为某些HTML标记存储任意数据(How to store arbitrary data for some HTML tags)

I'm making a page which has some interaction provided by javascript. (我正在制作一个由javascript提供一些交互的页面 ) Just as an example: links ... 你如何为HTML标签存储任意信息？) ask by nickf translate from so...

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

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624 views

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javascript - 使用大括号在react中解析错误：相邻的JSX元素必须包装在一个封闭标签中。您是否想要JSX片段<>… </> ？(parsing error with braces in react: Adjacent JSX elements must be wrapped in an enclosing tag. Did you want a JSX fragment <>…</>?)

I am new to react but have this snippet of code (我是新来的反应者，但是有这段代码) return ( <div> dropdown ? (<li className='goal-list-item ... 时，错误消失了，但是我很难弄清楚为什么) ask by sf8193 translate from so...

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

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296 views

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javascript - 删除前如何显示确认消息？(How to show a confirm message before delete?)

I want to get a confirm message on clicking delete (this maybe a button or an image). (我想获得有关单击删除的确认消息（可能是按钮或图像） ) If ... 容会使我的输入框和文本框失去样式和设计 ) ask by Shyam K translate from so...

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

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104 views

1 answer

javascript - 得到一个元素的id(get an element's id)

有没有其他方法来获取DOM元素的ID？ element.getAttribute('id') ask by Rana translate from so...

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

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384 views

1 answer

javascript - 如何创建动态字段的Ant设计组(How to Create Ant Design group of Dynamic fields)

I'm using ant design dynamic form . (我正在使用ant设计动态表单 ) How I suppose to create a group of dynamic forms (我应该如何创建一组动态表单) ... 可以通过蚂蚁设计将动态字段添加到动态字段中 ) ask by Selvin translate from so...

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

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323 views

1 answer

javascript - 在什么情况下，AJAX长/短轮询优于HTML5 WebSockets？(In what situations would AJAX long/short polling be preferred over HTML5 WebSockets?)

I am building a small chat application for friends, but unsure about how to get information in a timely manner that is ... 的理由偏爱AJAX而不是WebSockets？) ask by somdow translate from so...

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

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350 views

1 answer

javascript - 不兑现承诺是不好的做法吗？(Is it bad practice to use a promise without reject?)

I have the following; (我有以下内容；) function isUserInDatabase(serverID, playerID) { return new Promise((resolve, reject) => { ... { conn.end(); } } ask by Kwxhvor translate from so...

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

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330 views

1 answer

javascript - 如何使用php动态更改html链接的ID？(how to dynamically change the id of a html link with php?)

I have links which is on one page and and I sent the links to the database and then on another page I am retrieving the the ... thanks!!! (谢谢！！！) ask by SMART G. translate from so...

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

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498 views

1 answer

javascript - 单击使用平滑滚动条可移至Div(Move to Div on click using Smooth Scrollbar)

How are you all? (你们好吗？) I am trying to scroll on click but target div is in Smooth scrollbar. (我试图在单击上滚动，但目标div ... 我 ) Thanks in advance (提前致谢) ask by Vick Sain translate from so...

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

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428 views

1 answer

javascript - 检查用户是否已滚动到底部(Check if a user has scrolled to the bottom)

I'm making a pagination system (sort of like Facebook) where the content loads when the user scrolls to the bottom. (我正在创建一个 ... 何时使用jQuery滚动到页面底部 ) ask by Johnny translate from so...

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

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354 views

1 answer

javascript - 如何使用Jasmine测试调用异步函数的函数(How to test a function which calls async function using Jasmine)

How to test this function: (如何测试此功能：) var self = this; self.someVariable = "initial value"; self.test = function() { ... ，我不想使用setTimeout（）或任何睡眠方法 ) ask by Mumzee translate from so...

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

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258 views

1 answer

javascript - 如何从多个起点触发功能？(How to trigger an function from multiple starting points?)

I have this function: (我有这个功能：) $(function() { $('#toggle-event').change(function() { if($(this).prop('checked') == true){ ... 需要是唯一的才能运行脚本，如何实现呢？) ask by Muiter translate from so...

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

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116 views

1 answer

javascript - HTML按钮onclick事件(HTML button onclick event)

This might be a very basic question; (这可能是一个非常基本的问题;) believe me I found very hard to find the answer to this ... > </form> </body> </html> ask by bynu022 translate from so...

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

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