Recent questions tagged JavaScript

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javascript - In reactjs and nextjs constructor getting Reference Error: localstorage is not defined

i make system jsonwebtoken in reactjs and use nextjs. i find problem when i run the code in browser that ... error localStorage is not defined 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 - Asynchronous Django, Ajax, Jquery Information

So big news! Async Django. I have some confusions and will like to clear them by asking some questions. 1. ... have this in mind when answering 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 - What is the difference between removeProp and removeAttr in JQuery 1.6?

If you removeProp on something you should have used removeAttr() on will it silently fail? Will it work? Will ... removeAttr()? Many questions! 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 - new Array() vs Object.create(Array.prototype)

A naive confusion: var arr1 = new Array(); var arr2 = Object.create(Array.prototype); //Inserting elements in " ... with the [] operator. Why? 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 - Listen to window events in an Angularjs service

I want to listen to the window events in my AngularJS service so that I can broadcast them to my controllers. ... to listen to it from service. 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 - Http sites does not detect the location in Chrome - issue

We did notice today an issue in automatic detection of zip code based on the user s location. it ... there any other working alternatives? 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 remove an array item from a nested document in firebase?

I'm working on a Vue,firebase app and I'm saving the userevents in a firebase collection, I update this ... way to achieve this in firebase? 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 - Looping through unknown number of array arguments

I am trying to figure out how to loop through several array arguments passed. For example: [1,2,3,4,5],[3,4,5 ... I want to use a for loop here. 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 2 insert a @Component into the DOM of another component

I have a component import { Component } from '@angular/core'; @Component({ selector: 'test-component', ... text from TestPage's template. 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 - three.js - check if object is still in view of the camera

When working with a 2d canvas, if you want to check if something is no longer "on screen" you simply do something ... ) in a three.js scene? 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 - material-ui makeStyles: how to style by tag name?

I want to add a rule for all <p> in the current component. I couldn't find information anywhere (material-ui documentation, ... /p> </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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javascript - Is it possible to detect whether a browser tab is playing audio or not?

I am looking for a way to detect whether a sound is being played in the current tab of Chrome. I would like ... of browser HTML5 API for that. 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 - Check if more than two date ranges overlap

I have multiple date ranges. I want to check if they are overlapping in javascript. When there are only two it ... are more than 2 date ranges? 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 - jQuery function(event) event.target.id is blank when clicking linked text

I have a side menu that when clicked slides out to reveal a content panel. Based on the menu item clicked I ... in the linked area I click? 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 retrieve og/meta attributes of a resource?

I'm making an application that retrieve tweets on Twitter of a user. Those feeds contains links to external ... this data in Javascript/Jquery? See Question&Answers more detail:os...

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

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313 views

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javascript - Toggling Radio Buttons with jQuery

I am trying to toggle a couple of radio buttons using jQuery. But it is turning out to be not so simple. < ... why the code above does not 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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394 views

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javascript - Allow click to pass through iFrame to content behind it

The closest thing I can find to what I'm trying to do on SO is this, but sounds like this is not a ... this is not possible when using frames. 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 - Localization of d3.js (d3.locale example of usage)

I'm trying to use d3.locale() in my app to display Russian names of months. http://jsfiddle.net/j2feJ/2/ Also ... English. Am I using it 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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308 views

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javascript - How to toggle the google-maps autocomplete on and off?

I'm instantiating an autocomplete input for Google Maps API (level 3), like so: var input = document.getElementById( ... on and off at runtime? See Question&Answers more detail:os...

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

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309 views

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javascript - Sorting 'numbers' with multiple decimal points

I've got a bunch of "numbers" that have multiple decimal points (so they're really strings). However, I want ... maybe a better way. Ideas? See Question&Answers more detail:os...

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

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1.0k views

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javascript - Google Maps API: markerwithlabel.js - Uncaught ReferenceError: google is not defined

I have read the docs and examples, but I it seems I cannot solve the initialization error ("Uncaught ReferenceError: google ... ; } </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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323 views

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javascript - <marquee> html tag usage/replacment

I know that <marquee> tags are evil. If it is so bad to have scrolling text, then using JS to get the ... and it is not totally unrelated here. See Question&Answers more detail:os...

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

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365 views

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javascript - contentEditable - Firefox <br /> tag

Firefox inserts a <br /> tag on press enter whereas the other browsers are adding either a <p> or <div>. I ... can it be done? Any 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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535 views

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javascript - C3 chart sizing is too big when initially loaded

I am using the C3 JavaScript library for the display of graph data. When my page initially loads, the graphs ... good solution to this problem? See Question&Answers more detail:os...

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

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263 views

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javascript - jQuery Validation Plugin: Invoke errorPlacement function when onfocusout, keyup and click

I am using the jquery validation plugin and want to use the errorPlacement function to add error messages to the ... errorClass: "invalid" }); See Question&Answers more detail:os...

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

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426 views

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javascript - Cookie Header in PhoneGap: Refused to set unsafe header "Cookie"

I'm developing a PhoneGap application that communicates with a secure .net server. The issue is, I can't ... wrong server side? 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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385 views

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javascript - localStorage.setItem not persisting on refresh

I'm trying to do a mega-simple setItem and getItem using HTML5 local storage. It just doesn't seem to work ... I'd be most grateful, 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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522 views

1 answer

javascript - Why script elements created through DOMParser do not execute?

I'm loading HTML in Ajax, parsing it with DOMParser and put all the childNodes of the document body into ... prevent them from being executed. See Question&Answers more detail:os...

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

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