Recent questions tagged Javascript

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javascript - How to install jQuery into Nuxt.js?

I'm trying to add jQuery in my project although i get an error that it is not defined plugins: [ ... declaring jQuery before bootstrap-select. 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 - Trying to set a span element equal to a variable value in a JS Rock, Paper, Scissors Game

I'm writing a program to play rock, paper, scissors. As I was coding, everything was going fine until I added the: ... app.js"></script> </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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javascript - Showing context menu buttons only when right-clicked on classes that start with "Story"

Is there a way to show context menu actions, only when the user right-clicks on classes that start with ... chrome.contextMenus.removeAll(); } 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 - Why does accessing a non-existent object property result in `undefined` instead of throwing a `ReferenceError`?

When I try to use an undeclared variable I get ReferenceError: console.log(a); // Uncaught ReferenceError: ... why are never declared anywhere? 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 - In a 2D canvas, is there a way to give a sprite an outline?

I'd like to give a sprite an outline when the character gets healed/damaged/whatever but I can't think of a ... I just want the outline look. 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 - R plotly: how to observe whether a trace is hidden or shown through legend clicks with multiple plots

I am trying to figure out which traces the user hides from a scatter plot by means of deselecting them in the ... }) } shinyApp(ui, server) 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 - Listen to firebase database changes when app is closed

I am creating an Ionic 2 app with firebase and I need a way to listen to database changes (specifically ... please help me understand? 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 - Defining child views without an initialize method

I have a large number of views (more than 50) which all extend from a single abstract base view, and ... in vanilla Backbone at the moment. 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 - Bring selected rows to the top from the Jqgrid

I am using jqgrid in 'multiselect' mode and without pagination. When the user selects individual records by using ... in advance for your help. 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 ajax form submit

Is this code correct? I'm trying to submit it and also I would like on submit if text area would be empty again. ... </button> </form> Thankx... 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 - What is the difference between these two constructor patterns?

Function ConstrA () { EventEmitter.call(this); } util.inherits(ConstrA, EventEmitter); vs Function ConstrA() {} ... ) does that is required? 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 - In an array of objects, returns objects where ANY value matches a specific string

I'm implementing search functionality into my application. The search results in the UI are returned based on an ... here is much 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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javascript - ShareThis plugin not working in FancyBox title

I am rather new to all things JavaScript so please bear with me :) I am trying to add ShareThis plugin to ... website as well. Any suggestions? See Question&Answers more detail:os...

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

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142 views

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javascript - "invalid label" Firebug error with jQuery getJSON

I'm making a jQuery $.getJSON request to another domain, so am making sure that my GET URI ends with " ... I might be receiving this error? 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 - Why does this work in jsfiddle but not in my document

I found a wonderful jsfiddle that someone has made and wanted to use part of it in my project: http:// ... external plugin that I am missing? See Question&Answers more detail:os...

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

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133 views

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javascript - Can't get ES6 promise value to display in AngularJS view

I'm trying to use the Pinterest JavaScript SDK to get some pin data for a project. I have a method in a Pinterest ... >{{pin}}</div> </div> 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 - change for only clicked element, not all with the same class

What I would like to do is change an object's attribute, but for only that one. So something like, $('.up img').attr(" ... "); } }, 'json'); }); See Question&Answers more detail:os...

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

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206 views

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javascript - How to use webkitRequestFileSystem at file: protocol

According to Exploring the FileSystem APIs at Browser support & storage limitations You may need the --allow-file ... at file: protocol? See Question&Answers more detail:os...

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

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204 views

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javascript - Shading Area Between Two Vertical Lines

Using Google Charts API, I have made a line chart. Is there any way to be able to shade between two vertical ... two vertical lines? Thank you! 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 - Why can't I make a copy of this 2d array in JS? How can I make a copy?

I'm implementing a John Conway Game of Life, but I'm having a weird problem. Here is a short version if the ... an actual copy of lifeMap 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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334 views

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javascript - Does PHP support conjunction and disjunction natively?

Javascript employs the conjunction and disjunction operators. The left-operand is returned if it can be evaluated as ... operators exist in PHP? See Question&Answers more detail:os...

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

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194 views

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javascript - ReactJS bind(this)

I'm following a tutorial to update states in ReactJS. I came across this line in the tutorial this. ... } module.exports = Popular; See Question&Answers more detail:os...

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

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141 views

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javascript - How to make moment.js show relative time in seconds?

The following script shows the relative time from now to 2017/07/03. document.write(moment("20170703 00:00:00", " ... 1/moment.min.js"></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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321 views

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javascript - Lambert conic conformal projection in d3

I'm trying to project a set of points ([long, lat] tuples) on top of an SVG map of my home ... setting up a Lambert conic conformal projection? 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 - How to put all elements' content in array using jQuery ?

<div id="main"> <p>Text1</p> <p>Text2</p> <p>Text3</p> </di> Result should be : ["text1","text2","text3"] See Question&Answers more detail:os...

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

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500 views

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javascript - How to get a canvas relative mouse position of a CSS 3D transformed canvas?

Just for fun I'm trying to draw on 3D transformed canvases. I wrote some code and it kind of works const m4 = ... x/twgl-full.min.js"></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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369 views

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javascript - Tainted Canvas, due to CORS and SVG?

Iknow this has been asked often before, but after 3days trying to fix this i clearly need help. I've had a ... to do this with .svg files? See Question&Answers more detail:os...

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

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345 views

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javascript - Sort firebase data in descending order using negative timestamp

above is a screenshot of my firebase database. i am trying to sort firebase data in descending order using ... keys have timestamp data ? See Question&Answers more detail:os...

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

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