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339 views

1 answer

javascript - event.preventDefault（）与return false(event.preventDefault() vs. return false)

When I want to prevent other event handlers from executing after a certain event is fired, I can use one of two techniques. (当我 ... way? (有什么更好的方法？) ask by RaYell translate from so...

asked Feb 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

389 views

1 answer

javascript - 获取对象的属性名称(Getting the object's property name)

I was wondering if there was any way in JavaScript to loop through an object like so. (我想知道JavaScript中是否有任何方法可以像这样遍历一个对 ... can offer. (谢谢你的尽心帮助 ) ask by Olical translate from so...

asked Feb 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

244 views

1 answer

javascript - JSON.stringify和JSON.parse之间的区别(Difference between JSON.stringify and JSON.parse)

I have been confused over when to use these two parsing methods. (我一直很困惑何时使用这两种解析方法 ) After I echo my json_encoded ... I am unsure about? } }); ask by HIRA THAKUR translate from so...

asked Feb 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

365 views

1 answer

javascript - 在JavaScript中删除数组元素-Delete与Splice(Deleting array elements in JavaScript - delete vs splice)

What is the difference between using the delete operator on the array element as opposed to using the Array.splice method ? ... 么还要使用splice方法？) ask by lYriCAlsSH translate from so...

asked Feb 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

553 views

1 answer

javascript - 使用Mapbox gl js在悬停到自定义标记上添加弹出窗口(Adding popups on hovering to custom markers using Mapbox gl js)

I'm adopting this example but I need popups to appear on hover not on click. (我采用此示例，但是我需要弹出窗口显示在悬停而不是单击的位置 ) Here ... 这是我的jsFiddle ，有人可以帮助我解决该问题吗？) ask by Anton translate from so...

asked Feb 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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484 views

1 answer

javascript - Lodash从数组中删除重复项(Lodash remove duplicates from array)

This is my data: (这是我的数据：) [ { url: 'www.example.com/hello', id: "22" }, { url: 'www.example.com/hello', id: "22" }, ... 据集更大，并且具有更多的键，但是概念应该相同 ) ask by ChrisRich translate from so...

asked Feb 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

368 views

1 answer

javascript - 如何检查复选框是否已选中？(How can I check if a checkbox is checked?)

I am building a mobile web app with jQuery Mobile and I want to check if a checkbox is checked. (我正在使用jQuery Mobile构建移动Web应用 ... ，该字段包含也被命名为记住 ) ask by Steaphann translate from so...

asked Feb 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

524 views

1 answer

javascript - 如何解决此路由错误：“ Route.post（）需要回调函数，但得到了[object Undefined]”(how to solve this route error: “Route.post() requires a callback function but got a [object Undefined]”)

I am adding a new contactUs page in my project which is having a form data to store to the mongoDB collection. (我在项目中添加 ... 请帮帮我我没弄错) ask by Chaudhary Ali Sandhu translate from so...

asked Feb 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

217 views

1 answer

javascript - __proto__VS。 JavaScript原型(__proto__ VS. prototype in JavaScript)

This figure again shows that every object has a prototype. (该图再次显示每个对象都有一个原型 ) Constructor function Foo also has ... . (该图取自dmitrysoshnikov.com ) ask by 0x90 translate from so...

asked Feb 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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319 views

1 answer

javascript - 如何从子过程中的函数返回值？(How to return value from a child process in a function?)

I spawn a python child process in javascript (for coding a Bot with Microsoft Botframework) like this: (我在JavaScript中产生了一个 ... ) // ... } } ask by Lady_Hangaku translate from so...

asked Feb 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

412 views

1 answer

javascript - 如何防止ENTER键提交Web表单？(How to prevent ENTER keypress to submit a web form?)

如何防止ENTER键在基于Web的应用程序中提交表单？ ask by user67722 translate from so...

asked Feb 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

412 views

1 answer

javascript - JavaScript是一种类型安全的语言吗？(Is JavaScript a type-safe language?)

I have read that JavaScript is not a type-safe language, but I am not sure how true is that. (我已经读过JavaScript不是一种类 ... 味着JavaScript是一种类型安全的语言？) ask by user4582812 translate from so...

asked Feb 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

196 views

1 answer

javascript - JavaScript-动态ID的访问和操作(JavaScript - Acces And Operation on dynamic ID)

I have a problem with edit my calculator. (我在编辑计算器时遇到问题 ) This is a old version : (这是旧版本：) <form method=" ... JavaScript ? (如何用JavaScript制作？) ask by Karol G?owka translate from so...

asked Feb 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

186 views

1 answer

javascript - 使用map更新对象（内联es6）(Update an object with map ( inline es6 ))

I have this code , it's work (我有此代码，这是工作) series.map( el => { if ( !el.label ) { el.label = getTranslation(messages, ... )}) but it didn't work (但这没用) ask by Seb translate from so...

asked Feb 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

436 views

1 answer

javascript - Apollo不可分配给'VueClass类型的参数<Vue>(Apollo is not assignable to parameter of type 'VueClass<Vue>)

I'm building nuxt.js app with typescript. (我正在使用打字稿构建nuxt.js应用程序 ) This is my code: (这是我的代码：) <script lang='ts'> ... it? (我知道它来自TS，但如何解决？) ask by Filip Wroński translate from so...

asked Feb 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

483 views

1 answer

javascript - 哪些运行时平台和版本已实现ES6模块并导入导出语法？(Which runtime platforms and versions have implemented ES6 modules and import export syntax?)

The syntax below: (语法如下：) import someModule from './some/path'; // DECLARE OR EXECUTE SOME STUFF function ... github.io/compat-table/es6/) ask by cbdeveloper translate from so...

asked Feb 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

194 views

1 answer

javascript - 使用map更新对象（内联es6）(Update an object with map ( inline es6 ))

I have this code , it's work (我有此代码，这是工作) series.map( el => { if ( !el.label ) { el.label = getTranslation(messages, ... )}) but it didn't work (但这没用) ask by Seb translate from so...

asked Feb 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

447 views

1 answer

javascript - 如何下载给定相对文件路径（角）的文件？(How to download a file given a relative file path (Angular)?)

This is my html: (这是我的html：) <button class="btn" (click)="generatePdf()">PDF</button> When the button is clicked, ... your help! (谢谢你的帮助！) ask by Beatrice translate from so...

asked Feb 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

522 views

1 answer

javascript - 如何格式化从xxx开始的时间，例如“ 4分钟前”，类似于Stack Exchange网站(How to format time since xxx e.g. “4 minutes ago” similar to Stack Exchange sites)

The question is how to format a JavaScript Date as a string stating the time elapsed similar to the way you see times displayed ... ago (1年以前) ask by Sky Sanders translate from so...

asked Feb 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

415 views

1 answer

javascript - 如何从JavaScript中的变量值创建对象属性？ [重复](How to create an object property from a variable value in JavaScript? [duplicate])

(This question already has answers here) : ( (这个问题已经在这里有了答案) ：) Add a property to a JavaScript object using a variable as the ... 中存储的名称，而不是变量本身的名称？) ask by ecu translate from so...

asked Feb 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

323 views

1 answer

javascript - 检测移动浏览器(Detecting a mobile browser)

I'm looking for a function which return boolean value if user has mobile browser or not. (我正在寻找一个函数，如果用户具有或没有移动浏览器，则该函数 ... 使用它来创建一个返回true / false的函数 ) ask by ave translate from so...

asked Feb 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

359 views

1 answer

javascript - 空输入字段的JavaScript验证(JavaScript validation for empty input field)

Greeting, I have this input field <input name="question"/> I want to call IsEmpty function when submit clicking submit button. ... /> </body> </html> ask by Eyla translate from so...

asked Feb 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

239 views

1 answer

javascript - TypeError：$（…）.DataTable不是函数(TypeError: $(…).DataTable is not a function)

I am trying to work with jQuery's Datatable JS for my project from this link. (我正在尝试通过此链接为我的项目使用jQuery的Datatable JS ) I ... 导我解决这个问题的正确方向吗？) ask by Abhishek Ghosh translate from so...

asked Feb 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

275 views

1 answer

javascript - 选择JavaScript数组中的最后一个元素[重复](Selecting last element in JavaScript array [duplicate])

This question already has an answer here: (这个问题在这里已有答案：) Get the last item in an array 45 answers (获取数组中的最后一项 45个答案) I'm ... ? (如何在哈希中从数组中选择最后一个元素？) ask by mkyong translate from so...

asked Feb 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

470 views

1 answer

javascript - 创建具有自动调整大小的文本区域(Creating a textarea with auto-resize)

There was another thread about this , which I've tried. (关于这一点，我尝试了另外一个话题 ) But there is one problem: ... FitToContent( this, 500 ) }; } ask by DisgruntledGoat translate from so...

asked Feb 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

411 views

1 answer

javascript - 如何在JavaScript中将字符串转换为布尔值？(How can I convert a string to boolean in JavaScript?)

Can I convert a string representing a boolean value (eg, 'true', 'false') into a intrinsic type in JavaScript? (我可以将表示布尔值 ... 更好的方法可以做到这一点？) ask by community wiki translate from so...

asked Feb 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

395 views

1 answer

javascript - 如何将名称空间与TypeScript外部模块一起使用？(How do I use namespaces with TypeScript external modules?)

I have some code: (我有一些代码：) baseTypes.ts (baseTypes.ts) export namespace Living.Things { export class Animal { move() { ... this? (我该怎么做呢？) ask by Ryan Cavanaugh translate from so...

asked Feb 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

558 views

1 answer

javascript - 创建跨浏览器Gmail扩展的最佳方法是什么？ [关闭](What is the best way to create a cross browser Gmail extension? [closed])

(Closed) . ( (已关闭) ) This question needs to be more focused . (这个问题需要更加集中 ) It is not currently accepting answers. ( ... to proceed? (最好的进行方法是什么？) ask by Mohit translate from so...

asked Feb 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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