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javascript - AngularJS：请求的资源上没有“Access-Control-Allow-Origin”标头[重复](AngularJS: No “Access-Control-Allow-Origin” header is present on the requested resource [duplicate])

This question already has an answer here: (这个问题在这里已有答案：) Why does my JavaScript code get a No 'Access-Control-Allow-Origin' ... (我必须添加什么代码来修复它？) ask by Ragnarr translate from so...

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

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301 views

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javascript - PHP函数未将Javascript变量传递到SQL数据库(PHP function isn't passing Javascript variable into SQL database)

I have a javascript function where I'm collecting the coordinates of markers from a google map, and attempting to pass them ... 和一个名为坐标的行 ) ask by andromedutch translate from so...

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

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208 views

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javascript - 重复字符N次(Repeat Character N Times)

In Perl I can repeat a character multiple times using the syntax: (在Perl中，我可以使用以下语法多次重复一个字符：) $a = "a" x 10; // results in ... 道是否有任何内置方法或其他一些巧妙的技术 ) ask by Steve translate from so...

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

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531 views

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javascript - JavaScript中的常量：什么时候使用它，有必要吗？(Const in JavaScript: when to use it and is it necessary?)

I've recently come across the const keyword in JavaScript. (我最近在JavaScript中遇到了const关键字 ) From what I can tell, it is used to ... ，实际上有什么区别呢？反之亦然？) ask by axdg translate from so...

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

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101 views

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javascript - JS类和函数(JS class and functions)

Hello in my class match (你好我班上的比赛) in the construct I define my isActive as false (在构造中，我将isActive定义为false) because I want ... 计，是否有人可以帮助我改善课堂设计) ask by gabriel translate from so...

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

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384 views

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javascript - 链接并执行GitHub上托管的外部JavaScript文件(Link and execute external JavaScript file hosted on GitHub)

When I try to change the linked reference of a local JavaScript file to a GitHub raw version my test file stops ... -wysiwyg.js"></script> ask by AuthorProxy translate from so...

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

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364 views

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javascript - JavaScript获取窗口X / Y位置以进行滚动(JavaScript get window X/Y position for scroll)

I'm hoping to find a way to get the current viewable window's position (relative to the total page width/height) so I can use ... . (直到达到我想要的程度 ) ask by Xeoncross translate from so...

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

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338 views

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javascript - Javascript - 跟踪鼠标位置(Javascript - Track mouse position)

I am hoping to track the position of the mouse cursor, periodically every t mseconds. (我希望每隔t毫秒定期跟踪鼠标光标的位置 ) So ... br> </form> </body> </html> ask by Hari translate from so...

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

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366 views

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javascript - 什么是未处理的承诺拒绝？(What is an unhandled promise rejection?)

For learning Angular 2, I am trying their tutorial. (为了学习Angular 2，我正在尝试他们的教程 ) I am getting an error like this: ( ... 要检查以摆脱这个警告？) ask by Mohammad Sadiqur Rahman translate from so...

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

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430 views

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javascript - 无法实例化模块[$ injector：unpr]未知提供者：$ routeProvider(Failed to instantiate module [$injector:unpr] Unknown provider: $routeProvider)

从AngularJS 1.0.7升级到1.2.0rc1时收到此错误。 ask by Scotty.NET translate from so...

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

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552 views

1 answer

javascript - 无法实例化模块[$ injector：unpr]未知提供者：$ routeProvider(Failed to instantiate module [$injector:unpr] Unknown provider: $routeProvider)

从AngularJS 1.0.7升级到1.2.0rc1时收到此错误。 ask by Scotty.NET 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 - 函数未定义 - 未捕获的referenceerror(Function is not defined - uncaught referenceerror)

I have this uncaught referenceerror function is not defined error which do not understand. (我有这个未被捕获的referenceerror函数 ... 在document.ready.function中 ) ask by Peter translate from so...

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

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213 views

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javascript - 如何获得$（this）选择器的子节点？(How to get the children of the $(this) selector?)

I have a layout similar to this: (我的布局类似于：) <div id="..."><img src="..."></div> and would like to use a jQuery ... a selector? (如何使用选择器获取子img ？) ask by Alex translate from so...

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

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452 views

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javascript - 在Firebase中使用onUpdate函数时，如何检索已更新的记录？(When using the onUpdate function in Firebase, how do I retrieve the record that has been updated?)

When using the cloud functions on firebase, with the onUpdate trigger, how do I retrieve the record that has been updated (in ... 与Firebase数据库进行交互 ) ask by Ryan translate from so...

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

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98 views

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javascript - 链接函数中的$ scope.watch（）($scope.watch() in a link function)

I finally have an object and have some of its data dynamically created. (我终于有了一个对象，并动态创建了它的一些数据 ) But I now want ... .js"></script> </body> </html> ask by FPcond translate from so...

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

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190 views

1 answer

javascript - substr和substring有什么区别？(What is the difference between substr and substring?)

What is the difference between (之间有什么区别) alert("abc".substr(0,2)); and (和) alert("abc".substring(0,2)); They both ... . (他们似乎都输出 ab ) ask by Difference Engine translate from so...

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

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415 views

1 answer

javascript - 如何根据JSON文件中的布尔值自动添加过滤器(How to automatically add a filter depending on Boolean value in JSON file)

I have a JSON file: (我有一个JSON文件：) [ { "id": 1, "img": "https://example.jpg", "availability": false }, { "id": 2, " ... 可用性将过滤器应用于JSON的任何帮助都将非常有用 ) ask by RH2019 translate from so...

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

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398 views

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javascript - 使用JavaScript检测浏览器中Android手机的旋转(Detect rotation of Android phone in the browser with JavaScript)

I know that in Safari on an iPhone you can detect the screen's orientation and change of orientation by listening for the ... 否可以为Android手机完成 ) ask by philnash translate from so...

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

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546 views

1 answer

javascript - 正则表达式C＃不能与javascript保持一致(Regex C# not working consistent with javascript)

I have an issue about regex This is my string str = 'tat" and I'm using regex for (我有一个关于正则表达式的问题，这是我的string str ... 我 ) Thanks so much (非常感谢) ask by Minh Hai Vu translate from so...

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

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503 views

1 answer

javascript - 给定对象数组，计算定义了多少个（可能不同）属性(Given an array of objects, count how many (possibly different) properties are defined)

In a GeoJSON file, some properties are shared by all "features" (element) of the entire collection (array). (在GeoJSON文件中，某些属性由整 ... . (我欢迎任何想法 ) ask by allez l'OM translate from so...

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

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547 views

1 answer

javascript - 创建反应应用程序的firebase部署会在“源”选项卡中公开所有js代码？(firebase deploy of create react app exposes all js code in the source tab?)

I have compiled my app via create react app: yarn build //code is minified and obfuscated as expected (我已经通过create react应用程序 ... 如既往地非常感谢任何方向！) ask by studiobrain translate from so...

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

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321 views

1 answer

javascript - 将json数据转换为html表(Convert json data to a html table [closed])

Is there any jQuery or javascript library that generates a dynamic table given json data? (是否有任何jQuery或javascript库根据给定的json数据 ... 以简单重用的此类库 ) ask by Manish Mulani translate from so...

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

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471 views

1 answer

javascript - 边缘在mouseleave / mouseenter上看不到按钮按下(Edge does not see button press on mouseleave / mouseenter)

Left mouse button was pressed or not - Edge always shows .buttons and .button as 0 . (鼠标左键按下与否- Edge总是显示.buttons和.button为0 ... (但这是丑陋且容易出错的 ) ask by Alex Vovchuk translate from so...

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

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318 views

1 answer

javascript - 在ReactJS中正确修改状态数组(Correct modification of state arrays in ReactJS)

I want to add an element to the end of a state array, is this the correct way to do it? (我想在state数组的末尾添加一个元素，这是正确 ... . (复制数组和setState替代方法似乎很浪费 ) ask by fadedbee translate from so...

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

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386 views

1 answer

javascript - 如何使用Firebug或类似工具调试JavaScript / jQuery事件绑定？(How to debug JavaScript / jQuery event bindings with Firebug or similar tools?)

I need to debug a web application that uses jQuery to do some fairly complex and messy DOM manipulation. (我需要调试一个使用jQuery进行一些相 ... 的事件，就像今天编辑DOM一样 ) ask by Jaanus translate from so...

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

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236 views

1 answer

javascript - CoffeeScript中的三元操作(Ternary operation in CoffeeScript)

I need to set value to a that depends on a condition. (我需要设置值， a是取决于一个条件 ) What is the shortest way to do this with ... false ? 5 : 10 # => a = 10 ask by evfwcqcg translate from so...

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

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237 views

1 answer

javascript - node.js收到“ ERR_HTTP_HEADERS_SENT”错误(node.js getting 'ERR_HTTP_HEADERS_SENT' error)

this is my ejs code in node.js, and currently i keep getting this error (这是我在node.js中的ejs代码，目前我一直在收到 ... assertRedirection(url, paramMap); %> ask by Hyun Jong Kim translate from so...

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

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399 views

1 answer

javascript - 使用JavaScript / jQuery在重定向上发送POST数据？ [重复](Send POST data on redirect with JavaScript/jQuery? [duplicate])

This question already has an answer here: (这个问题在这里已有答案：) JavaScript post request like a form submit 29 answers ( ... 'vote'].submit(); } ask by Josh Foskett translate from so...

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

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