Recent questions tagged Javascript

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javascript - Save Async/Await response on a variable

I am trying to understand async calls using async/await and try/catch. In the example below, how can I save my ... ) //Promise { <pending> } See Question&Answers more detail:os...

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

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210 views

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javascript - How to customize color in pie chart of NVD3

I am trying to use NVD3 http://nvd3.org/livecode/#codemirrorNav a pie chart. But i want to change the default color. ... i am not able to do it. See Question&Answers more detail:os...

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

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javascript - Fetch image from API

Q1) In my reactjs application, I am trying to fetch an API from my backend Nodejs server. The API responds ... So I can access it somewhere. See Question&Answers more detail:os...

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

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javascript - Toggle Class in React

I'm using react for a project where I have a menu button. <a ref="btn" href="#" className="btn-menu show- ... component like I do on my button? See Question&Answers more detail:os...

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

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javascript - Implications of multiple <script> tags in HTML

I have read that it is not recommended to instantiate jQuery multiple times in your HTML. This makes perfect ... after another? Thanks, Philip See Question&Answers more detail:os...

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

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386 views

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javascript - Select2 start with input field instead of dropdown

I use the js library select2. This is a screenshot of what I have now: Start: Click on dropdown: Now is it ... is received from an ajax call) See Question&Answers more detail:os...

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

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javascript - dynamically created iframe triggers onload event twice

I created an iframe dynamically and found that this iframe trigger onload event twice. var i=0; frameOnload=function ... to null inside itself? See Question&Answers more detail:os...

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

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150 views

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javascript - React Input Element : Value vs Default Value

i am new in React and REDUX, i just develop a simple react app, and now i face a problem, when i ... , and thanks in advance Regards, Vidy See Question&Answers more detail:os...

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

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218 views

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javascript - Export to CSV button in react table

Looking for a way to add an "Export to CSV" button to a react-table which is an npmjs package (https://www. ... sheet in the csv or xls format? See Question&Answers more detail:os...

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

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javascript - Save current Google Map as image

How can I save the current google map as an image? Below is the Javascript I use to initialize the map. var ... as an image in some way? See Question&Answers more detail:os...

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

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270 views

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javascript - What is the difference between the isPresent and isDisplayed methods

I just started using Protractor to write tests. I am wondering what the difference is between the isPresent() ... cases are they different? See Question&Answers more detail:os...

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

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149 views

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javascript - Get scroll position with Reactjs

I use reactjs and want to handle scroll with click event. Firstly, I rendered list of posts with componentDidMount. ... post by 'Close event'. See Question&Answers more detail:os...

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

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372 views

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javascript - How to include the CSRF token in the headers in Dropzone upload request?

I am working on a single page application and I am using Laravel 5 for the web service. All forms are submitted ... to not a get an exception? See Question&Answers more detail:os...

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

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218 views

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javascript - remove double quotes from Json return data using Jquery

I use JQuery to get Json data, but the data it display has double quotes. It there a function to remove it ... remove the double quote? Cheers. See Question&Answers more detail:os...

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

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164 views

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javascript - Sorting strings in reverse order with backbone.js

I'm trying to sort a Backbone.js collection in reverse order. There are previous replies on how to do this with ... sorts it from Z -> A? See Question&Answers more detail:os...

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

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496 views

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javascript - Regex for empty string or white space

I am trying to detect if a user enter whitespace in a textbox: var regex = "^s+$" ; if($("#siren"). ... I doing wrong ? Thanks for your helps See Question&Answers more detail:os...

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

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295 views

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javascript - How to import everything exported from a file with ES2015 syntax? Is there a wildcard?

With ES2015 syntax, we have the new import syntax, and I've been trying to figure out how to import everything ... , or use the wrapper object? See Question&Answers more detail:os...

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

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196 views

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javascript - Handling code which relies on jQuery before jQuery is loaded

I'd like to follow the general guideline of putting all JavaScript at the very bottom of the page, to speed up loading ... I can't use the $. See Question&Answers more detail:os...

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

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282 views

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javascript - When are MutationObserver callbacks fired?

I know that MutationObservers callbacks may get called sometime after the DOM change. But the question ... MutationObservers callbacks please? See Question&Answers more detail:os...

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

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178 views

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javascript - How to disable selection of text on a web page

I am trying to make webpage very native. How to remove select,select all property in webpage? See Question&Answers more detail:os...

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

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176 views

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javascript - Get Webpack not to bundle files

So right now I'm working with a prototype where we're using a combination between webpack (for building .tsx files and ... : "Redux" // } }; See Question&Answers more detail:os...

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

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210 views

1 answer

javascript - JQuery: How to get selected radio button value?

How do I default the value of a non-selected radio button to 0? I have the following HTML: <input type=" ... of the radio button. Make sense? See Question&Answers more detail:os...

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

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167 views

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javascript - How to get list of registered custom elements

I'm trying to detect whether a custom element with a specific name was registered or not. Is there a way to make ... there? Is it one-way API? See Question&Answers more detail:os...

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

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228 views

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javascript - How to add multiple divs with appendChild?

I am trying to make a chessboard using javascript and creating 64 divs with it. The problem is, that it creates only the ... ; } } } } </script> See Question&Answers more detail:os...

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

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110 views

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javascript - How to add a button dynamically using jquery

My task is to add button dynamically to the div.. here is the code that i follow to add button dynamically but its ... </button> </body> </html> See Question&Answers more detail:os...

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

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306 views

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javascript - AngularJS: How to pass arguments/functions to a directive?

Look at this Fiddle, what do I have to change, that the expressions in the template get evaluated using the ... through that. Thanks for help! See Question&Answers more detail:os...

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

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264 views

1 answer

javascript - Stop reloading page with 'Enter Key'

I have a search box at the top of page that makes an ajax call when a user hits the adjacent button. I am ... 'searchText'))" value='Search' /> See Question&Answers more detail:os...

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

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312 views

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javascript - Karma/Jasmine times out without running tests

I'm trying to run Karma/Jasmine from Grunt on a project generated with http://newtriks.com/2013/12/31/automating- ... singleRun: true }); }; See Question&Answers more detail:os...

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

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