Recent questions in Technique[技术]

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javascript - 在Vuejs中按名称获取特定的父组件(Getting Specific Parent Component By Name in Vuejs)

I need a reliable way to call the a parent component of n parents in vuejs. (我需要一种可靠的方法来在vuejs中调用n个父级的父级组件 ) ... parent $ parent ) Thanks, (谢谢，) ask by Eden Reich translate from so...

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

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345 views

1 answer

javascript - 如何根据通用键值减少对象数组？(How to reduce array of objects based on common key values?)

Let's say, I have an Array of object which looks like: (假设我有一个对象数组，如下所示：) var jsonData = [ {"DS01":123,"DS02" ... r; }, []); console.log(reduced); ask by Shunjid translate from so...

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

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363 views

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javascript - 浮动后如何减少两位数？在Java脚本中，无需更改为字符串(How to cut two digits after my float? In Java script without changing to string)

I want to take 2 digits after float like below example: (我想在浮点数后取2位数字，例如以下示例：) function cut() { var num1 ... // should be return 8.84 } ask by Chanchhunneng chrea translate from so...

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

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192 views

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c# - 从Javascript访问MVC的模型属性(Accessing MVC's model property from Javascript)

I have the following model which is wrapped in my view model (我有以下模型，它包含在我的视图模型中) public ... "; alert(floorplanSettings.IconsDirectory); ask by Null Reference translate from so...

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

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261 views

1 answer

javascript - 合并/展平数组(Merge/flatten an array of arrays)

I have a JavaScript array like: (我有一个像这样的JavaScript数组：) [["$6"], ["$12"], ["$25"], ["$25"], ["$18"], ["$22"], ["$10 ... 数组：) ["$6", "$12", "$25", ...] ask by Andy translate from so...

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

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673 views

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javascript - 遍历对象的嵌套数组，并用动态值替换空属性-Javascript(Loop through Nested array of Object and replace empty attribute with dynamic values - Javascript)

I have a nested object like below. (我有一个如下的嵌套对象 ) The content attribute in some of the objects are empty. (一些对象中的content属性 ... 于数组中的每个对象，计数器应以0开头) ask by codegeek translate from so...

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

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419 views

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javascript - 向下滑动动态元素的动画(slide down animation with dynamic elements)

i want to build a shopping cart to my website. (我想建立一个购物车到我的网站 ) This page dynamicly displays all the items someone has ... instead. (但是我应该怎么做 ) ask by AB Meg translate from so...

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

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189 views

1 answer

javascript - 如何将反应组件传递到另一个反应组件以转换第一个组件的内容？(How to pass in a react component into another react component to transclude the first component's content?)

Is there a way to pass one component into another react component? (有没有办法将一个组件传递到另一个反应组件？) I ... .getElementById('my-component')); ask by Andrew Allbright translate from so...

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

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420 views

1 answer

javascript - 如何在JavaScript中将对象{}转换为键值对的数组[](How to convert an Object {} to an Array [] of key-value pairs in JavaScript)

I want to convert an object like this: (我想要转换这样的对象：) {"1":5,"2":7,"3":0,"4":0,"5":0,"6":0,"7": ... JavaScript? (如何在JavaScript中将对象转换为键值对数组？) ask by Soptareanu Alex translate from so...

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

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441 views

1 answer

javascript - 在ES5模块中支持ES6导入(Support for ES6 imports in ES5 module)

(The bounty expires in 6 days) . ( (赏金将在6天后失效) ) Answers to this question are eligible for a +50 reputation bounty. ... 展它来解决上述问题不是问题！) ask by Lennard Fonteijn translate from so...

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

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217 views

1 answer

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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273 views

1 answer

javascript - 反应：未执行setState方法(REACT: setState method is not executed)

I've got a component who is child from another that when is mounted called a function called getData(). (我有一个组件，该组件是另一个组 ... wrong? (我究竟做错了什么？) ask by José Carlos translate from so...

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

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406 views

1 answer

javascript - 如何使用javascript自动滚动播放视频？(How to automatically play videos on scroll using javascript?)

Since 4 Days I am trying to autoplay my videos on the scroll. (自4天以来，我一直在尝试自动滚动播放视频 ) I have created an application where ... } }); }); }); </script> ask by NJR translate from so...

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

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277 views

1 answer

javascript - 如何在React中访问DOM元素？什么是React中document.getElementById（）的等效项(How to access a DOM element in React? What is the equilvalent of document.getElementById() in React)

How do I select certain bars in react.js? (如何在react.js中选择某些栏？) This is my code: (这是我的代码：) var Progressbar = React. ... js? (如何在react.js中选择特定元素？) ask by user504909 translate from so...

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

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432 views

1 answer

javascript - 是否可以向JavaScript对象添加动态命名的属性？(Is it possible to add dynamically named properties to JavaScript object?)

In JavaScript, I've created an object like so: (在JavaScript中，我创建了一个像这样的对象：) var data = { 'PropertyA': 1, ' ... 'PropertyZ' property to //my object? ask by Lee D translate from so...

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

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214 views

1 answer

javascript - 用于Firefox WebExtensions的chrome.proxy API(chrome.proxy API for Firefox WebExtensions)

Does Firefox WebExtensions support an API to change proxy preferences (like the chrome.proxy API )? (Firefox WebExtensions是否支持API ... 有计划添加它？) ask by Aakash Gupta translate from so...

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

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180 views

1 answer

javascript - 如何同时运行两个jQuery动画？(How to run two jQuery animations simultaneously?)

Is it possible to run two animations on two different elements simultaneously? (是否可以同时在两个不同的元素上运行两个动画？) I need the opposite ... 不认为这是最好的解决方案 ) ask by Jakub Arnold translate from so...

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

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252 views

1 answer

javascript - 动态更改网站图标(Changing website favicon dynamically)

I have a web application that's branded according to the user that's currently logged in. I'd like to change the favicon ... Thoughts? (有什么想法吗？) ask by SqlRyan translate from so...

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

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183 views

1 answer

javascript - Sweetalert2：如何将textarea放入ajax请求(Sweetalert2: How to get textarea into ajax request)

sorry but after a hour of trying and searching i couldnt find a solution. (抱歉，经过一个小时的尝试和搜索，我找不到解决方案 ) I ... (response){ if (response.redirect) { ask by Michael H. translate from so...

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

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352 views

1 answer

javascript - 使用setInverval调用函数以创建动画形状(Calling a function with setInverval to create animated shapes)

I'm learning JavaScript and I would like to know how to create multiple animated circles in the same canvas. (我正在学习JavaScript，并 ... Thanks. (谢谢 ) ask by Jo?o Mira translate from so...

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

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368 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)

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330 views

1 answer

javascript - 查找满足某些条件的数组的子集(Find a subset of an array satisfying some condition)

Suppose that an array of N numbers is given. (假设给出了N个数字的数组 ) How to find a subset that its sum is multiple of N? ... break; } } if (found) break; } ask by TopW3 translate from so...

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

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422 views

1 answer

javascript - 如果没有解决承诺，那么在300ms后如何模拟承诺的结果？(How mock promise's result after 300ms if promise was not resolved?)

Let's say we have a request returning not important data. (假设我们有一个返回不重要数据的请求 ) And we want get mock response if ... use es6+ (PS：可以使用es6 +) ask by Saveli Tomac translate from so...

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

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296 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)

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424 views

1 answer

javascript - 如何在JavaScript中捕获右键单击事件？ [重复](How can I capture the right-click event in JavaScript? [duplicate])

This question already has an answer here: (这个问题在这里已有答案：) Is right click a Javascript event? (是否右键单击Javascript事件？) 16 ... is this done? (这是怎么做到的？) ask by Giffyguy translate from so...

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

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359 views

1 answer

javascript - 我如何找出哪个DOM元素具有焦点？(How do I find out which DOM element has the focus?)

I would like to find out, in JavaScript, which element currently has focus. (我想用JavaScript找出当前关注的元素 ) I've been looking ... 事件处理功能中转移焦点 ) ask by Tony Peterson translate from so...

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

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196 views

1 answer

javascript - 如何在JavaScript中获取当前日期？(How do I get the current date in JavaScript?)

如何在JavaScript中获取当前日期？ ask by Suresh Chaganti translate from so...

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

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344 views

1 answer

javascript - JavaScript中数组交集的最简单代码(Simplest code for array intersection in javascript)

What's the simplest, library-free code for implementing array intersections in javascript? (在javascript中实现数组交集的最简单，无库代码是什么？) I ... get (并得到) [2, 3] ask by Peter translate from so...

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

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