Recent questions tagged Javascript

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javascript - Converting latitude and longitude to decimal values

I have GPS information presented in the form: 36°57'9" N 110°4'21" W I can use the javascript ... Google map representation of location. See Question&Answers more detail:os...

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

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288 views

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javascript - How do I setState for nested object?

For a plugin I'm using I have to have a state that looks like this: getInitialState() { return { invalid: true ... ({access: {hospital_id: 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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286 views

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javascript - Web Workers and Canvas

Are web workers allowed to access a canvas object? See Question&Answers more detail:os...

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

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269 views

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javascript - Angular.js: set element height on page load

I'm AngularJS newbie. I want to create grid (using ng-grid) which height depends on window height ie. $('. ... I put code to initalize height? See Question&Answers more detail:os...

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

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525 views

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javascript - Getting width & height of an image with filereader

I am building an image resize/crop, and I'd like to show a live preview after they've edited it in a ... ').modal('show'); }; 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

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javascript - Angular 2 Material 2 datepicker date format

I need help. I don't know how to change the date format of the material 2 datepicker. I've read documentation ... me at all. Thanks in advance See Question&Answers more detail:os...

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

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579 views

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javascript - Resetting the navigation stack for the home screen (React Navigation and React Native)

I've got a problem with the navigation of React Navigation and React Native. It is about resetting navigation and ... a solution would be great! See Question&Answers more detail:os...

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

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269 views

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javascript - jQuery find and replace string

I have somewhere on website a specific text, let's say "lollypops", and I want to replace all the occurrences ... anybody know how to do 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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javascript - Uncaught TypeError: undefined is not a function on loading jquery-min.js

I'm building a normal webpage which requires me to load about five CSS files and ten Javascript files. ... individually and were working fine. 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 - Format date and Subtract days using Moment.js

I would like a variable to hold yesterday's date in the format DD-MM-YYYY using Moment.js. So if today is 15-04- ... ) But I'm not getting it... See Question&Answers more detail:os...

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

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578 views

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javascript - How to enable Bootstrap tooltip on disabled button?

I need to display a tooltip on a disabled button and remove it on an enabled button. Currently, it works in ... ">button not disabled</button> See Question&Answers more detail:os...

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

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239 views

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javascript - Legitimate uses of the Function constructor

As repeatedly said, it is considered bad practice to use the Function constructor (also see the ECMAScript ... of the Function constructor? See Question&Answers more detail:os...

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

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356 views

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javascript - How to append to New Line in Node.js

I'm trying to Append data to a Log file using Node.js and that is working fine but it is not going to the next line. ... '); }); }); }); } See Question&Answers more detail:os...

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

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485 views

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javascript - querySelector search immediate children

I have some jquery-like function: function(elem) { return $('> someselector', elem); }; The question is ... specified. Is there any workaround? See Question&Answers more detail:os...

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

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560 views

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javascript - Bootstrap modal: background jumps to top on toggle

I have a problem, with a modal. I have a button on a page, that toggles the modal. When the modal shows up ... but it has the exact same effect. 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 - Input field for Tags separated by comma

I am working on a web application that allows users to post content by tags but the thing is, how would I ... a database or anything. 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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668 views

1 answer

javascript - How to launch apps (facebook/twitter/etc) from mobile browser but fall back to hyperlink if the app isn't installed

I am hoping there might be some way of detecting whether or not an uri:scheme is registered on a mobile device ... if the app is not installed. See Question&Answers more detail:os...

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

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281 views

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javascript - Rules for the use of angle brackets in Typescript

What are the general rules that dictate when, where, how and why angle brackets, i.e. "<...>", should ... of curly braces in JavaScript above? See Question&Answers more detail:os...

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

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317 views

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javascript - Google Maps - How to get the distance between two point in metre?

I have these coordinate : (45.463688, 9.18814) (46.0438317, 9.75936230000002) and I need (trought Google API V3, I ... metre. How can I do it? See Question&Answers more detail:os...

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

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265 views

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javascript - Getting unique ClientID from chrome extension?

I'm developing chrome extension. I need the ability to identify each client as a unique client. I can't store ... im at one of those countries) See Question&Answers more detail:os...

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

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495 views

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javascript - Google Chrome Extensions: How to include jQuery in programmatically injected content script?

I'm injecting my content script from the background page when the user clicks the browser action button, ... to inject that simultaneously. See Question&Answers more detail:os...

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

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300 views

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javascript - Trying to load local JSON file to show data in a html page using JQuery

Hi I am trying to load local JSON file using JQuery to show data but i am getting some weird error ... Referenceerror priorities is not defined See Question&Answers more detail:os...

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

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353 views

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javascript - Angularjs $http post file and form data

I have the below request in python import requests, json, io cookie = {} payload = {"Name":"abc"} url = "/ ... (function (res) { //success }); See Question&Answers more detail:os...

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

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517 views

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javascript - How to handle window scroll event in Angular 4?

I can't seem to be able to capture the Window scroll event. On several sites I found code similar to this: ... m missing? Thank you very much! See Question&Answers more detail:os...

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

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317 views

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javascript - jQuery UI Dialog Box - does not open after being closed

I have a problem with the jquery-ui dialog box. The problem is that when I close the dialog box and then I click on ... (); }, }); }); 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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526 views

1 answer

javascript - Disable scrolling when touch moving certain element

I have a page with a section to sketch a drawing in. But the touchmove events, at least the vertical ones, ... anything I coded in the page. See Question&Answers more detail:os...

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

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781 views

1 answer

javascript - Using forEach on an array from getElementsByClassName results in “TypeError: undefined is not a function”

In my JSFiddle, I'm simply trying to iterate over an array of elements. The array is non-empty, as the log ... <div class="myClass">Hello</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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546 views

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javascript - How to send authorization header with axios

How can I send an authentication header with a token via axios.js? I have tried a few things without success, for ... ${data.token}` } }); See Question&Answers more detail:os...

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

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