Recent questions tagged Javascript

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javascript - jQuery event when select option

What's the event to bind for when a select form is selected? I have something like this: <select id='list'> < ... selected here //blah blah }); 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 - How can I make Mocha load a helper.js file that defines global hooks or utilities?

I have a file named test/helper.js that I use to run Mocha tests on my Node.js apps. My tests structure ... to always load my helper.js file? 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 - React-native : detect dev or production env

I develop a react-native app where some API calls should be made. If I'm in production mode my app should ... value in the application ? Thanks 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 - How to force page refreshes or reloads in jQuery?

The code below displays a Google map and search results when you enter an address and hit the submit button. I've ... jQuery); </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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javascript - disadvantages of websockets

I would like to know what kind of limitations there are in using websockets. Websockets is just so.. powerful. ... like that) will decrease? See Question&Answers more detail:os...

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

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624 views

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javascript - How to modify highcharts legend item click event?

I need to modify click event on highcharts legend items. Highcharts demo http://www.highcharts.com/demo/line- ... Sorry if question not clean. See Question&Answers more detail:os...

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

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483 views

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javascript - D3.js force directed graph, reduce edge crossings by making edges repel each other

So i have a page already which draws a force directed graph, like the one shown here. And that works fine. I' ... that says this is possible... 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 - Support for the experimental syntax 'jsx' isn't currently enabled

I'm trying to run very simple code, but I'm getting an error, I didn't use the create react app! It ... I'm using yarn and the WSL terminal 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 - Why isn't this textarea focusing with .focus()?

I have this code to focus a textarea when the user clicks on the "Reply" button: $('#reply_msg').live('mousedown', ... button>--> </div> </div> See Question&Answers more detail:os...

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

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539 views

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javascript - fetch patch request is not allowed

I have two apps one is a react front end and the second one is the rails-api app. I have been happily ... ://github.com/github/fetch/issues/254 See Question&Answers more detail:os...

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

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328 views

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javascript - How do I wrap a React component that returns multiple table rows and avoid the "<tr> cannot appear as a child of <div>" error?

I have a component called OrderItem that takes an object with multiple objects (at least two) inside it, and ... my formatting off a bit. See Question&Answers more detail:os...

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

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296 views

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javascript - HighCharts : Is it possible to customize the colors of individual series?

I am using HighCharts for a line graph report. In this specific report I have been asked to Customize the ... know how to accomplish this? See Question&Answers more detail:os...

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

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292 views

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javascript - jQuery appending an array of elements

For the purpose of this question lets say we need to append() 1000 objects to the body element. You could ... at once to improve performance? See Question&Answers more detail:os...

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

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580 views

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javascript - remove everything before the last occurrence of a character

I'm trying to perform the following action on a string : find the last occurrence of the character "/"; ... (location.lastIndexOf["/"]); 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 - Native Support for Promises in Node.js

Is there native support for promises in current versions of Node.js? Node.js uses the V8 engine. This ... com/en/tutorials/es6/promises/ See Question&Answers more detail:os...

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

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153 views

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javascript - Remove all items after an index

I have an array: array = ['mario','luigi','kong'] I call its splice function to remove all items before an index: ... ) //-> ['mario','luigi'] See Question&Answers more detail:os...

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

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319 views

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javascript - How to always run some code when a promise is fulfilled in Angular.js

In my Angular.js application, I'm running some asynchronous operation. Before it starts I cover the application with a ... if it can be done? 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 - Event handlers for Twitter Bootstrap dropdowns?

I'd like to use a Twitter Bootstrap dropdown button: <div class="btn-group"> <button class="btn dropdown- ... example gives a list of actions. See Question&Answers more detail:os...

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

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679 views

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javascript - What could this be about? [TsLint Error: "Promises must be handled appropriately"]

I'm doing some basic asynchronous operations using async/await in TypeScript but TSLint is throwing mysterious ... palantir/tslint/issues/2661 See Question&Answers more detail:os...

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

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622 views

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javascript - Getting "Cannot read property 'nodeType' of null" when calling ko.applyBindings

I have this knockout code: function Task(data) { this.title = ko.observable(data.title); this.isDone = ko. ... ; What am I doing wrong? See Question&Answers more detail:os...

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

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335 views

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javascript - Can I tell the Chrome script debugger to ignore jquery.js?

Is there a way to tell the Chrome debugger (or maybe Firebug?) to not break within certain files? To assume ... something they might build in. See Question&Answers more detail:os...

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

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515 views

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javascript - How can you remove all documents from a collection with Mongoose?

I know how to... Remove a single document. Remove the collection itself. Remove all documents from the collection with ... .send(500, err); } See Question&Answers more detail:os...

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

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352 views

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javascript - Create a realistic pencil tool for a painting app with HTML5 Canvas

First I want to say that I made a lot of research and tries myself without any success. I am ... tricedesigns.com/portfolio/sketch/brush.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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224 views

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javascript - Is it possible to use Closure Compiler ADVANCED_OPTIMIZATIONS with jQuery?

I keep getting errors that the function (renamed) does not exist for the given object. Is there a release or ... or something to make it work? See Question&Answers more detail:os...

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

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158 views

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javascript - Get text in CSS3 column?

I'm using CSS3's support for columns support in a project (so far I've found it much more robust and ... a specific column, in any 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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258 views

1 answer

javascript - d3.js nvd3 date on x axis: only some dates are show

I have a strange issue with showing dates on a xAxis. I am generating data like this: for (i=0;i<12;i++) ... ); return dataArray; }; </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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482 views

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javascript - GreaseMonkey script to auto login using HTTP authentication

I've got quite a few GreaseMonkey scripts that I wrote at my work which automatically log me into the ... my credentials, then hitting submit See Question&Answers more detail:os...

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

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158 views

1 answer

javascript - Do I have to create a new panel for every page?

I would like to use a Panel in a jqm site for my Choose Language component. So that component will need to be ... a Panel from page to page? See Question&Answers more detail:os...

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

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