Recent questions tagged javascript

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javascript - getSelection & surroundContents across multiple tags

I've got a script that changes the background colour of text that has been selected. However i'm encountering ... to achieve? Many 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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291 views

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javascript - Get selected text and selected nodes on a page?

When selecting a block of text (possibly spanning across many DOM nodes), is it possible to extract the ... possible using a Firefox extension? See Question&Answers more detail:os...

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

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315 views

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javascript - Execute a python script on button click

I have an HTML page with one button, and I need to execute a python script when we click on the button ... details. Any help will be 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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753 views

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javascript - Accessing iframe from chrome extension

I'm developing a chrome extension and bumped into a big problem. I'm using content scripts to inject my javascript ... file but no luck :( See Question&Answers more detail:os...

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

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335 views

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javascript - Trigger events when the window is scrolled to certain positions

I would like to call functions when the browser window goes beyond a certain point (e.g the user scrolled the window ... to the top of 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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316 views

1 answer

javascript - Get selected text and selected nodes on a page?

When selecting a block of text (possibly spanning across many DOM nodes), is it possible to extract the ... possible using a Firefox extension? See Question&Answers more detail:os...

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

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350 views

1 answer

javascript - Execute a python script on button click

I have an HTML page with one button, and I need to execute a python script when we click on the button ... details. Any help will be 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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512 views

1 answer

javascript - Accessing iframe from chrome extension

I'm developing a chrome extension and bumped into a big problem. I'm using content scripts to inject my javascript ... file but no luck :( See Question&Answers more detail:os...

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

0 votes

311 views

1 answer

javascript - Trigger events when the window is scrolled to certain positions

I would like to call functions when the browser window goes beyond a certain point (e.g the user scrolled the window ... to the top of 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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268 views

1 answer

javascript - Check if polygon is inside a polygon

Yesterday I was looking to check if a point was inside a polygon and found this great script: https://github. ... just tell me where to start. See Question&Answers more detail:os...

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

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424 views

1 answer

javascript - Storing data stream from POST request in GridFS, express, mongoDB, node.js

I am trying to figure out how I can post an image directly to GridFS without storing it anywhere on the ... help would be 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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520 views

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javascript - How to convert a byte array into an image?

Using Javascript, I'm making an AJAX call to a WCF service, and it is returning a byte array. How can I ... and display it on the web 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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371 views

1 answer

javascript - Reload the site when reached via browsers back button

Problem: I have a site with dynamic content which needs to be reloaded every time the user sees it. This includes ... " /> still no 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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254 views

1 answer

javascript - AngularJS and WebSockets beyond

I just read this post, and I do understand what the difference is. But still in my head I have the question. ... enough. thank you for any 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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311 views

1 answer

javascript - jquery to validate phone number

I want to validate phone numbers like (123) 456-7890 or 1234567890 How should be the 'matches' condition be ... ",minlength:10, maxlength:10} See Question&Answers more detail:os...

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

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311 views

1 answer

javascript - How do you handle multiple instances of setTimeout()?

What is the most recommended/best way to stop multiple instances of a setTimeout function from being created (in ... makes it clear.... 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 - Vanilla JS event delegation - dealing with child elements of the target element

I'm trying to do event delegation in vanilla JS. I have a button inside a container like this <div id=" ... way to deal with this situation? See Question&Answers more detail:os...

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

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543 views

1 answer

javascript - Is there any possibility to have JSON.stringify preserve functions?

Take this object: x = { "key1": "xxx", "key2": function(){return this.key1} } If I do this: y = JSON ... eval()", but whats with packing 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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382 views

1 answer

javascript - possible to shrink contents of iframe?

Is there a way to shrink what's inside an iframe without adjusting css? any magical 'zoom' parameter out ... site in without scrollbars... See Question&Answers more detail:os...

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

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695 views

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javascript - Automatically scroll down chat div

I have this code, to load chat function getMessages(letter) { var div = $('#messages'); $.get('msg_show. ... ); } setInterval(getMessages, 100); See Question&Answers more detail:os...

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

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528 views

1 answer

javascript - How do I make an area unclickable with CSS?

Let's say if I have wrapper div which includes some links and images, is there any way I can deactivate it ... blockUI plug in works like charm. See Question&Answers more detail:os...

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

0 votes

305 views

1 answer

javascript - Do events handlers on a DOM node get deleted with the node?

(Note: I'm using jQuery below, but the question is really a general Javascript one.) Say I've got a ... question: how can test this myself? See Question&Answers more detail:os...

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

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476 views

1 answer

javascript - Is it possible to change between two fontawesome icons on hover?

I have an anchor tag with a font-awesome icon as follows <a href="#" class="lock"><i class="icon-unlock" ... on hover for this? 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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287 views

1 answer

javascript - Contact Form 7 AJAX Callback

Been searching around on this for a while and can't come up with any documentation to outline what i want ... form AJAX has completed? 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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475 views

1 answer

javascript - Converting unicode character to string format

Does anyone know how to convert a unicode to a string in javascript. For instance: u2211 -> ∑ u0032 -> 2 u222B ... which I will be using yet. See Question&Answers more detail:os...

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

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352 views

1 answer

javascript - Run shell script with node.js (childProcess)

I want to run a shell script on my node.js server, but nothing happened... childProcess.exec('~/./play.sh /media ... ideas? (chmod +x is set) See Question&Answers more detail:os...

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

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403 views

1 answer

javascript - Trigger $document.ready (so AJAX code I can't modify is executed)

My requirements are the following: I've got a rich webpage that at a certain moment loads a bunch of HTML ... the retrieved code on this 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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473 views

1 answer

javascript - What does "res.render" do, and what does the html file look like?

What does res.render do, and what does the html file look like? My end goal is to load arbitrary comma-separated-values from ... }); } }); } }; See Question&Answers more detail:os...

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

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