Recent questions tagged JavaScript

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javascript - Chrome extension that runs code when ajax requests happen

So, to give a basic description of my issue. I have a extension that is working right now (finally) that ... curve has been rough climb. See Question&Answers more detail:os...

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

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361 views

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javascript - Regular expression to remove hostname and port from URL?

I need to write some javascript to strip the hostname:port part from a url, meaning I want to extract ... be done using regular expressions? 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 - regex - get numbers after certain character string

I have a text string that can be any number of characters that I would like to attach an order number to ... I foresee failure and confusion. 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 - Query Wikipedia's API using AJAX (XMLHttpRequest)

I am trying to implement a simple request to Wikipedia's API using AJAX (XMLHttpRequest). If I type the url in ... request. Help! (and 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 - Different behavior of blur event in different browsers

Consider this example where I have 2 input fields: <input id="a" /> <input id="b" style="display: none" /> And ... =b> <br/>^ focus on the input See Question&Answers more detail:os...

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

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201 views

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javascript - How to bind "mobileinit" event in jQuery Mobile?

This is how I'm trying to hook into the mobileinit event: $(document).bind("mobileinit", function() { console.log(" ... .1 and 1.1.0) failed. See Question&Answers more detail:os...

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

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488 views

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javascript - Chart.js line chart is cut off at the top?

For some reasone all graphs are cut off at the highest value. How can i fix this? I can't use a fixed y-axis See Question&Answers more detail:os...

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

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330 views

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javascript - Angular directive with ng-repeat, ng-show "Show more" and lazy-load

I use this directive, iterating over an array "myArr", filtering for a few conditions. <myDirective myData='item' ... Thanks a lot in advance! 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 - Angular 6 Reactive Forms : How to set focus on first invalid input

Under my Angular 6 app , i'm using Reactive Forms . My purpose is when submitting , i want to set focus ... but that didn't work Suggestions? 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 - Will Function.prototype.bind() always be slow?

I am writing an open source javascript library, and I use .bind() method heavily, because I have ... because of JavaScript architecture limits? See Question&Answers more detail:os...

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

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179 views

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javascript - Adding a script to the page dynamically with jQuery never uses the cached file

I am using jQuery to dynamically add a script to my page and it works, but jQuery appends "_=TIMESTAMP" to ... jQuery not to do this? 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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308 views

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javascript - Socket.io + NodeJS doesn't work on Heroku

I am doing an API and it's on Heroku. But I am having some problems with the socket.io only on the heroku ... the sockets work fine. Thank you. See Question&Answers more detail:os...

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

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366 views

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javascript - Make the X-Axis labels in chart.js increment by a certain scale

I have labels ranging from 50-90, and every number in between in displayed. I would like to list the labels by 5 ... part of the y-axis cut off. See Question&Answers more detail:os...

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

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281 views

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javascript - Adding inline styles to react

Currently I'm using react.js and I'm trying to get two div's to be side by side. Currently I'm trying ... to play nice with other div elements. See Question&Answers more detail:os...

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

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254 views

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javascript - jQuery image map alternative

What is an alternative to using image maps? I saw a question recently and someone said, "Why are people still ... to use than an image map. See Question&Answers more detail:os...

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

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327 views

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javascript - What is faster: try catch vs Promise

I heard such an opinion that you should avoid usage of try/catch at all because it takes many resources. So ... jsperf.com/try-catch-vs-promise See Question&Answers more detail:os...

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

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336 views

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javascript - Chaining promises with RxJS

I'm new to RxJS and FRP in general. I had the idea of converting an existing promise chain in my ExpressJS ... console.log('Completed'); }); See Question&Answers more detail:os...

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

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202 views

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javascript - How to Associate an Object with a DOM Element

I have a master object in my JS setup, i.e.: var myGarage = { cars: [ { make: "Ford", model: "Escape ... " flag, I can update the master 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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250 views

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javascript - async.eachSeries in node.js

I have a loop in node.js for (var i in files){ var all = fs.readdirsync("./0"); async. ... iteration is finished (including the callback)? See Question&Answers more detail:os...

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

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453 views

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javascript - Is there a simple way to convert a decimal time (e.g. 1.074 minutes) into mm:ss format using moment.js?

I was wondering if there's a simple way, using moment.js library, to transform a decimal time interval (for example, 1. ... "0" + sec : sec) } See Question&Answers more detail:os...

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

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333 views

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javascript - How to determine the direction on onmousemove event?

On some condition I want to cancel onmousemove event when mouse goes down, for example. Is it possible to ... such kind of standard properties. See Question&Answers more detail:os...

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

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257 views

1 answer

javascript - Backbone model .toJSON() doesn't render all attributes to JSON

I need to render a model's attributes to JSON so I can pass them into a template. Here is what a render() function ... { model: goal, }); }}); See Question&Answers more detail:os...

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

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385 views

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javascript - How do I show a loading spinner when submitting for a partial view in asp.net MVC?

I've written an application that loads partial views when you click "Continue". Sometimes the server hangs a ... in the controller is working. See Question&Answers more detail:os...

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

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322 views

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javascript - CouchDb automatic timestamps

I'm implementing a message application using CouchDB. I want to apply timestamps to each message. I found some references ... , message]; } } } 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

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javascript - How the function is used without parenthesis in addEventListener?

I am not able to understand how this addItem() and removeItem() is called without parenthesis in addEventListener(' ... Button clicked'); } See Question&Answers more detail:os...

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

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302 views

1 answer

javascript - HTML5 localStorage & SQL

I understand that HTML5 "localStorage" is a key:value store but I am wondering if there is a Javascript library ... a more SQL-ish 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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247 views

1 answer

javascript - How to parse JSON data when the property name is not known in advance?

Here is my response code in jQuery: var response = $.parseJSON(response); for (var i = 0; i < response.groupIds. ... what e.g. unknown name is? See Question&Answers more detail:os...

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

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186 views

1 answer

javascript - Passing values from directive to controller

Below is my html template: <div ng-app="dr" ng-controller="testCtrl"> <test color1="color1" data-method=" ... http://jsfiddle.net/j2K7N/27/ See Question&Answers more detail:os...

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

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