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javascript - 为什么React Native Android应用程序在调试模式下运行速度非常慢？(Why React Native Android app is running very slow on debug mode?)

I am working on react native application, It's running very slow on debug mode. (我正在研究React本机应用程序，它在调试模式下运行非常慢 ) It ... ? (我还可以使用其他哪些设备？) ask by Archana Sharma translate from so...

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

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444 views

1 answer

javascript - 将JavaScript字符串拆分为不同长度的片段(Split a JavaScript string into pieces of different length)

I tried to play with match(/.{1,n}/g); (我试图玩match(/.{1,n}/g);) , but I cant't reproduce expected result. (，但我无 ... // [' ', ' ', '12'] ask by Vladislav Pokosenko translate from so...

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

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442 views

1 answer

javascript - 如何通过把手中的索引访问访问数组项？(How do I access an access array item by index in handlebars?)

I am trying to specify the index of an item in an array within a handlebars template: (我试图在把手模板中指定数组中项目的索引：) { people: ... 写一个可以访问数组中的spefic项的帮助器？) ask by lukemh translate from so...

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

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435 views

1 answer

javascript - 请求的资源上不存在“Access-Control-Allow-Origin”标头。因此不允许原点'...'访问(No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin '…' is therefore not allowed access)

I'm using .htaccess to rewrite urls and I used html base tag in order to make it work. (我正在使用.htaccess重写网址，我使用了 ... 来源 http://example.com 访问 ) ask by Th3lmuu90 translate from so...

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

0 votes

292 views

1 answer

javascript - 将百分比转换为JavaScript中的颜色(Convert percentage to colors in javascript)

I would like to generate color according to value from -1 to 1 (我想根据-1到1的值生成颜色) the base colors are (基本颜色是) My ... } return 'OUT OF RANGE'; } (}) ask by infodev translate from so...

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

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414 views

1 answer

javascript - 通过将鼠标悬停在外部html元素上来在svg中缩放组(Scale group inside svg by hovering over external html element)

I am stuck on trying to add a simple scale effect on group elements inside an SVG. (我一直试图在SVG内的组元素上添加简单的缩放效 ... :) (任何帮助深表感谢：）) ask by battaboombattabaam translate from so...

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

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528 views

1 answer

javascript - React.js-重新渲染时输入失去焦点(React.js - input losing focus when rerendering)

I am just writing to text input and in onChange event i call setState , so React rerenders my UI. (我只是写文本输入，在onChange事件中我调用 ... </div> </div> ); } }); ask by Krab translate from so...

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

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477 views

1 answer

javascript - 一旦出现，如何在Bootstrap模态中设置特定字段的焦点(How to set the focus for a particular field in a Bootstrap modal, once it appears)

I've seen a couple of questions in regards to bootstrap modals, but none exactly like this, so I'll go ahead. (我已经看过几个关 ... ).focus() }, 0500); }); ask by jdkealy translate from so...

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

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445 views

1 answer

javascript - 使用React，在以下情况下如何编写更友好，更清晰的条件渲染(With React, how to write friendlier and clearer conditional rendering given the following [closed])

(Closed) . ( (已关闭) ) This question is opinion-based . (这个问题是基于观点的 ) It is not currently accepting answers. (它当前不 ... 者这是在React中进行条件渲染的正确方法？) ask by AnApprentice translate from so...

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

0 votes

444 views

1 answer

javascript - 创建一个类的实例时，如何找出传递的参数数量？ [重复](How to find out the number of arguments passed when creating an instance of a class? [duplicate])

(This question already has answers here) : ( (这个问题已经在这里有了答案) ：) How best to determine if an argument is not sent to the ... (如果我歪曲了一个问题，我深表歉意 ) ask by incognita translate from so...

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

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336 views

1 answer

javascript - 提交验证失败(validation fails on submit)

The code should validate that the input fields dont contain a number and only letters and also both fields arent blank. (该代码应 ... </div > ) } ask by Sharoze Khan translate from so...

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

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442 views

1 answer

javascript - 对jQuery和Ajax使用基本身份验证(Use basic authentication with jQuery and Ajax)

I am trying to create a basic authentication through the browser, but I can't really get there. (我正在尝试通过浏览器创建基本 ... for your comment!'); } }); ask by Patrioticcow translate from so...

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

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444 views

1 answer

javascript - 如何更改KeyboardDatePicker材质ui的语言？(How to change the language for KeyboardDatePicker material ui?)

I am currently using material ui on the web and I use the KeyboardDatePicker API and it works perfectly, but the names of ... 更改语言吗？) ask by Ruben Valdivia Perez translate from so...

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

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559 views

1 answer

javascript - 当CSS从可见性变为隐藏时，为什么会产生闪烁效果(Why it will produce blinking effect when css turn from visibility visible to hidden)

<div style='position:relative'> <div id ='tag' style=' border: 1px solid red; position : absolute; top: 20px; ... http : //jsfiddle.net/uFLPg/) ask by dramasea translate from so...

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

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425 views

1 answer

javascript - Javascript数组：删除另一个数组中包含的所有元素(Javascript arrays: remove all elements contained in another array)

I am looking for an efficient way to remove all elements from a javascript array if they are present in another array. (我正在寻 ... 不循环和拼接的纯JavaScript方法？) ask by Tap translate from so...

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

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442 views

1 answer

javascript - 从随机字符串中删除非数字字符，但第一次出现的是＃(Remove non-digit characters from random string except first occurrence of #)

This question looks trivial - but is not. (这个问题看起来微不足道-但事实并非如此 ) I want using regexp to remove all non-digits ... (热门使用replace和regexp吗？) ask by Kamil Kie?czewski translate from so...

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

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444 views

1 answer

javascript - 使用JavaScript获取选定的选项文本(Get selected option text with JavaScript)

I have a dropdown list like this: (我有一个像这样的下拉列表：) <select id="box1"> <option value="98">dog</option> <option value= ... . (但是我要的不是7122而是cat ) ask by techtheatre translate from so...

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

0 votes

338 views

1 answer

javascript - 在JavaScript中切换语句多个案例(Switch statement multiple cases in JavaScript)

I need multiple cases in switch statement in JavaScript, Something like: (我需要在JavaScript的switch语句中使用多种情况，例如：) switch ( ... 概念的替代解决方案 ) ask by Afshin Mehrabani translate from so...

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

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358 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

362 views

1 answer

javascript - 在页面卸载前显示加载的GIF(Show a loading GIF BeforeUnload Of a Page)

I am working on a application which will work on computer as well as Ipad,Iphone,Tablets and Android phones. (我正在开发可在计算机以 ... . (该div用于加载GIF ) ask by anuj pradhan translate from so...

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

0 votes

288 views

1 answer

javascript - 寻找哪个 <Option>在中选择<select> （没有JQuery）(Finding which <Option> is selected in <select> (without JQuery))

I have the following Element: (我有以下元素：) <select id="color" name="colorId" class="btn secondary"> <option value="347366" ... 用jQuery或任何其他类似的库）) ask by Guy Korland translate from so...

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

0 votes

360 views

1 answer

javascript - bootstrap datepicker今天默认为(bootstrap datepicker today as default)

I am using this bootstrap-datepicker for my datepicker. (我正在使用这个bootstrap-datepicker作为我的datepicker ) I'd like the datepicker to ... 今天 ) Thanks (谢谢) ask by olo translate from so...

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

0 votes

491 views

1 answer

javascript - 如果我使用const，为什么JSHint会发出警告？(Why does JSHint throw a warning if I am using const?)

This is the error I get when using const: (这是我在使用const时遇到的错误：) <error line="2" column="1" severity="warning" message= ... 都警告我，代码才能正常工作 ) ask by Andre Schlesinger translate from so...

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

0 votes

232 views

1 answer

javascript - 如何异步上传文件？(How can I upload files asynchronously?)

I would like to upload a file asynchronously with jQuery. (我想用jQuery异步上传文件 ) This is my HTML: (这是我的HTML：) <span>File</span ... 该怎么做才能解决此问题？) ask by Sergio del Amo translate from so...

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

0 votes

384 views

1 answer

javascript - AngularJS控制器的生命周期是什么？(What is the lifecycle of an AngularJS Controller?)

Can someone please clarify what the lifecycle of an AngularJS controller is? (有人可以澄清一下AngularJS控制器的生命周期是什么吗？) Is a controller ... 法似乎在创建控制器时运行）) ask by Marty Pitt translate from so...

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

0 votes

104 views

1 answer

javascript - 对象中的JavaScript对象(JavaScript object in object)

I have a set of object of object. (我有一组对象 ) For example (例如) { "123":{ id:123, name:"abc" }, "456":{ id:456, name:" ... 可以在每次迭代完成循环后执行动作或逻辑吗？) ask by You Unknown translate from so...

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

0 votes

74 views

1 answer

javascript - 角库节点模块(angular library node modules)

So ive created the following library: (因此，我创建了以下库：) Now as you can see there are some red underlines. (现在，您可以看到一些红色下划 ... 如果我的代码依赖于这些模块怎么办？) ask by Marc Rasmussen translate from so...

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

0 votes

224 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)

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