Recent questions tagged Javascript

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javascript - setTimeout callback argument

Let's consider this piece of JavaScript: function Person(name) { this.name = name; } Person.prototype.showName ... really confuses me. Thanks. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - jquery abort() ajax request before sending another

Based on: Abort Ajax requests using jQuery... In inventory_search() - before the ajax request is made, how can I check ... ; } }); } </script> See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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451 views

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javascript - Crop image white space automatically using jQuery

I have 100,000 images which are not under my control. Some of these images are excellent in that the ... definitely from a different domain. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - jQuery post request (not AJAX)

In an ASP.NET MVC app I use jQuery for posting data on button-click: <button onclick="addProducts()" ... POST request blocking the redirection? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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912 views

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javascript - How To Show And Hide Input Fields Based On Radio Button Selection

Here is the code to show input fields depending on radio selection like: SCRIPT <script type="text/javascript"> ... .. Here is the fiddle: See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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436 views

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javascript - Store jquery selector in variable

In the following example the stored jQuery selector returns the wrong value. There is a possibility to ... length ); jsFiddle demonstration See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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407 views

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javascript - D3 Tree Layout Separation Between Nodes using NodeSize

Right now I am trying to separate my rectangle nodes because they overlap as shown in the picture below: I took a look ... + margin.left + ")"); See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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255 views

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javascript - Node.js Generate html

I have created a JavaScript program which generates a list of data. Example output below: output one output two output ... . can it be reopened? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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294 views

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javascript - How to validate a form with multiple checkboxes to have atleast one checked

I'm trying to validate a form using the validate plugin for jquery. I want to require that the user check at ... . How can I resolve this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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309 views

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javascript - Google Maps API v3 adding an InfoWindow to each marker

NOTE: I'm using v3 of the Google Maps API I'm trying to add an info window to each marker I put on ... portion but am not postitive. Any ideas? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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392 views

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javascript - How can I set preview of video file, selecting from input type='file'

In one of my module, I need to browse video from input[type='file'], after that I need to show ... ="file_multi_video" accept="video/*"> See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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244 views

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javascript - In ReactJS, why does `setState` behave differently when called synchronously?

I am trying to understand the underlying cause for some somewhat "magical" behavior I am seeing that I cannot ... //jsbin.com/sogunutoyi/1/ See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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268 views

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javascript - Check if parent window is iframe or not

How can I tell from a page within an iframe, if the parent itself is also within an iframe? Explanation: My ... . It's a different case. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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259 views

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javascript - Inlining ECMAScript Modules in HTML

I've been experimenting with new native ECMAScript module support that has recently been added to browsers. It's ... an alternative which does. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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290 views

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javascript variable scope in the IF statement

Are variables declared and assigned in an "if" statement visible only within that "if" block or within the whole ... } } return structure; } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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867 views

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javascript - How to use preload.js properly in Electron

I'm trying to use Node modules (in this example, fs) in my renderer processes, like this: // main_window. ... What am I not understanding here? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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227 views

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javascript - Extending React.js components

One of the things I appreciate the most about Backbone.js is how simple and elegant inheritance works. I' ... pointers are greatly appreciated. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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396 views

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javascript - How to reset all checkboxes using jQuery or pure JS?

How can I reset all checkboxes in a document using jQuery or pure JS? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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321 views

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javascript - Fast way to get the min/max values among properties of object

I have an object in javascript like this: { "a":4, "b":0.5 , "c":0.35, "d":5 } Is there ... seconds. (The values of the object keeps changing). See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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677 views

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javascript - How can I get sin, cos, and tan to use degrees instead of radians?

When I'm working with math in JS I would like its trig functions to use degree values instead of radian values. How would I do that? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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375 views

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javascript - How to access to a child method from the parent in vue.js

I have two nested components, what is the proper way to access to the child methods from the parent ? this. ... myMethod() } } </script> See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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348 views

1 answer

javascript - How to avoid extra wrapping <div> in React?

Today I have started learning ReactJS and after an hour faced with the problem.. I want to insert a component which has ... ChildC /> </> ); } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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559 views

1 answer

javascript - How do I clear this setInterval inside a function?

Normally, I'd set the interval to a variable and then clear it like var the_int = setInterval(); clearInterval(the_int); ... { //stop timer }); See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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529 views

1 answer

javascript framework - AngularJs ReferenceError: $http is not defined

I have the following Angular function: $scope.updateStatus = function(user) { $http({ url: user.update_path, method: ... I am doing wrong here? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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268 views

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javascript - How can I animate a progressive drawing of svg path?

I want to animate a progressive drawing of a line using only css with svg/canvas and js maximum. An idea of the line I ... "none"/> </g> </svg> See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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605 views

1 answer

javascript - capture div into image using html2canvas

I'm trying to capture a div into an image using html2canvas I have read some similar question here like How to upload a ... "/> </body> </html> See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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293 views

1 answer

javascript - How to load all server side data on initial vue.js / vue-router load?

I'm currently making use of the WordPress REST API, and vue-router to transition between pages on a small single page ... , } }, } Any ideas? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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364 views

1 answer

javascript - jQuery UI AutoComplete: Only allow selected valued from suggested list

I am implementing jQuery UI Autocomplete and am wondering if there is any way to only allow a selection from ... to the autocomplete plugin. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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