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javascript - 使用HTML5 / Canvas / JavaScript拍摄浏览器内屏幕截图(Using HTML5/Canvas/JavaScript to take in-browser screenshots)

Google's "Report a Bug" or "Feedback Tool" lets you select an area of your browser window to create a screenshot that is submitted ... 概述将演示屏幕截图功能 ) ask by joelvh translate from so...

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

0 votes

361 views

1 answer

javascript - 使用JavaScript（jQuery或Vanilla）选中/取消选中复选框？(Check/Uncheck checkbox with JavaScript (jQuery or Vanilla)?)

如何使用JavaScript，jQuery或vanilla选中/取消选中复选框？ ask by lisovaccaro translate from so...

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

0 votes

270 views

1 answer

javascript - 如何使用youtube iframe-api开始嵌入视频(how to start an embeded video with the youtube iframe-api)

I am new to coding and I am trying to learn how to use the youtube IFRAME to control embded videos. (我是编码的新手，我正在尝 ... id="player"></div> </body> ask by Slyknight translate from so...

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

0 votes

540 views

1 answer

javascript - 角度-将Google Maps API结果映射到表单-如何映射两个长度不等但共享公用密钥的对象(Angular - Mapping Google places API result to a form - how to map two objects of unequal length but sharing a common key)

I feel as though I'm missing a key concept here, but I want to display the results of a places autocomplete query, but ... ！) Malcolm (马尔科姆) ask by Malcolm Whild translate from so...

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

0 votes

363 views

1 answer

javascript - 将值传递给onclick按钮帕格(Passing Values to onclick button Pug)

I am trying to pass a js function to a button using Pug. (我正在尝试使用Pug将js函数传递给按钮 ) I saw this question here, but it ... /code.html ，所以我不确定应该怎么做 ) ask by mso4491 translate from so...

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

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473 views

1 answer

javascript - 我得到了网络响应，但是CORS不允许它进入(I'm getting the network response, but CORS is not allowing it to enter)

I'm doing an API get request via axios to an Exchange Rates API (我正在通过axios向汇率API进行API获取请求) axios.get('https://api. ... 认为可能是导致问题的默认axios配置) ask by Sven Brodersen 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 - 为什么会出现错误：TypeError：无法读取未定义的属性“ map”？(Why am I getting an error : TypeError: Cannot read property 'map' of undefined?)

Getting an error: TypeError: Cannot read property 'map' of undefined. (收到错误：TypeError：无法读取未定义的属性 ... (mapStateToProps, mapDispatchToProps)(Menu); ask by Marcus translate from so...

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

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181 views

1 answer

javascript - “ i =（i + 1）％word.length”背后的逻辑是什么(What is the Logic behind “ i = (i + 1) % word.length ”)

Im new to Coding. (我是新来的编码 ) can someone explain ("i = (i + 1) % word.length") (有人可以解释吗（ i ... = 'initial'; } setInterval(run,800) ask by Mukesh Saravanan translate from so...

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

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229 views

1 answer

javascript - jQuery的.bind（）与.on（）(jQuery’s .bind() vs. .on())

I found two great articles talking about the new function .on() : jquery4u.com , elijahmanor.com . (我找到了两篇有关新功能.on()精彩文章： ... 也应该使用.on()代替.bind()吗？) ask by Samuel translate from so...

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

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146 views

1 answer

javascript - 与Formik异步/等待？(Async/Await with Formik?)

I am using formik and I am wondering how to use async/await with onSubmit (我正在使用formik，我想知道如何在onSubmit中使用异步/等待) <Formik ... </form> ); }} </Formik> ask by chobo2 translate from so...

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

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430 views

1 answer

javascript - JSLint突然报告：使用“使用严格”功能形式(JSLint is suddenly reporting: Use the function form of “use strict”)

I include the statement: (我包括以下声明：) "use strict"; at the beginning of most of my Javascript files. (在我大多数Javascript文件的开头 ) ... be? (有谁知道函数形式是什么？) ask by Zhami translate from so...

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

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286 views

1 answer

javascript - ChartJS-每个数据点不同的颜色(ChartJS - Different color per data point)

Is there a way to set a different color to a datapoint in a Line Chart if its above a certain value? (如果折线图中的数据点高于特 ... /949195 -现在寻找一个ChartJS类似的东西) ask by Xander translate from so...

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

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490 views

0 answers

javascript - 如何在不进行远程调用的情况下过滤当前数据？ -物料表（mbrn /物料表）(How to filter current data without making remote call? - Material Table(mbrn/material-table))

I am using mbrn/material-table with filtering on a column and remote data feature. (我正在将mbrn / material-table与列和远程数据功能一起使用 ... 过滤器文本上都正在调用API ) ask by LAXIT KUMAR translate from so...

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

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270 views

1 answer

javascript - 强制表单文本为小写(Forcing form text to be lower-case)

How could I force the text in the "username" text input to be lower-case regardless of what user types? (不管什么用户类型， ... :35px; width:300px"> </div> ask by John translate from so...

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

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380 views

1 answer

javascript - 将If语句写为=一个数字，但不允许另一个(Writing an If statement to = a number but not allow for than another)

Im writing an if statement that allows to display a choice based on users input, (我在写一个if语句，该语句允许根据用户输入显示选择，) Im ... ，我如何才能让if语句起作用 ) ask by Nate David-Peter 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 - 如何发出异步请求以使用javascript同步请求(how to make async request to sync request using javascript)

function abc() { console.log(0) console.log(1) setTimeout(() => { console.log(2) },0) console.log(3) } abc() I know this is ... (谁能帮我这个，请输出为0 1 2 3) ask by Shivam 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 - 您如何判断大写锁定是否在使用JavaScript？(How do you tell if caps lock is on using JavaScript?)

How do you tell if caps lock is on using JavaScript? (您如何判断大写锁定是否在使用JavaScript？) One caveat though: I did google it and the ... 浪费 -当然有比这更好的方法了吗？) ask by nickf translate from so...

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

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192 views

1 answer

javascript - 如何在Javascript中实现“函数超时”-不仅仅是“ setTimeout”(How to implement a “function timeout” in Javascript - not just the 'setTimeout')

How to implement a timeout in Javascript, not the window.timeout but something like session timeout or socket timeout - basically ... . (非常感谢 ) ask by sransara translate from so...

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

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518 views

1 answer

javascript - 定义指令时“控制器”，“链接”和“编译”函数之间的区别(Difference between the 'controller', 'link' and 'compile' functions when defining a directive)

Some places seem to use the controller function for directive logic and others use link. (有些地方似乎将控制器功能用于指令逻辑，而其他地方则 ... the two? (两者有什么区别？) ask by user1558259 translate from so...

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

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563 views

1 answer

javascript - 用户使用Google登录名登录我的网站后，无法检索个人资料信息(Unable to retrieve profile information after user logs in to my website with Google sign in)

I am trying to integrate Google sign in, in my website. (我正在尝试在我的网站中集成Google登录 ) I followed the instructions give on the ... 际实现中，我已将其包含在内 ) ask by Vmove Testing translate from so...

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

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929 views

1 answer

javascript - 执行查询后Javascript变量被覆盖(Javascript variable being overwriiten after query execution)

I am using mysql database with Nodejs. (我正在使用带有Nodejs的mysql数据库 ) I am running a query like this: (我正在运行这样的查询：) rows = ... NAN (更没有意义的是底值如何未定义或NAN) ask by jedu translate from so...

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

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470 views

1 answer

javascript - 将数组元素从一个数组位置移动到另一数组位置(Move an array element from one array position to another)

I'm having a hard time figuring out how to move an array element. (我很难弄清楚如何移动数组元素 ) For example, given the following: (例如， ... 该很简单，但是我无法将其包裹住 ) ask by Mark Brown 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 - AWS-输入域网址时没有此类存储桶错误(AWS - No such bucket error when entering domain url)

I have deployed a Node app onto an Amazon EC2 instance. (我已将Node应用程序部署到Amazon EC2实例上 ) I then tried to point my domain to ... wrong? (任何想法我在做什么错？) ask by Mark translate from so...

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

0 votes

406 views

1 answer

javascript - React如何导出组件？命名与默认(How is Component exported with React? Named vs Default)

I've seen this syntax in many files: (我在许多文件中都看到了这种语法：) import React, {Component} from react; I understand how named ... 以使用React.Component点表示法的原因？) ask by j obe translate from so...

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

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461 views

1 answer

javascript - 如何在JavaScript中声明全局变量？(How to declare a global variable in JavaScript?)

如何在JavaScript中声明全局变量？ ask by Dancer translate from so...

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

0 votes

260 views

1 answer

javascript - 缺少CORS 400接头（其他问题）(CORS 400 header missing (among other issues))

This is my first project using javascript (basically forked code from here: https://www.kkhaydarov.com/audio-visualizer/ ) (这 ... 感谢您的帮助！) ask by Bryan Washington translate from so...

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

0 votes

264 views

1 answer

javascript - 如何在页面加载时调用JavaScript函数？(How do I call a JavaScript function on page load?)

Traditionally, to call a JavaScript function once the page has loaded, you'd add an onload attribute to the body containing a ... jQuery，因为我不太熟悉它 ) ask by palAlaa translate from so...

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

0 votes

379 views

1 answer

javascript - JavaScript：滚动和获取项目位置会触发错误(JavaScript: Scrolling and getting item position triggers error)

I'm checking if an element is visible at the bottom of the page to apply auto pagination with scroll. (我正在检查元素是否在页面底部可见，以通过滚 ... 修复此问题以停止将其记录到控制台) ask by PHP User translate from so...

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

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