Recent questions tagged Javascript

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javascript - How to hide form code from view code/inspect element browser?

I want to hide form code from view code/inspect element browser , how can i do that ? This is my code, ... 3000); </script> Please see picture 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 get the global/world position of a child object?

How do I get the global position of an Object3D inside another Object3D? setup: var parent = new THREE.Object3D(); ... not (200, 200, 200). 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 is 4 not an instance of Number?

Just curious: 4 instanceof Number => false new Number(4) instanceof Number => true? Why is this? Same with strings: ... '.is(String); //=> true See Question&Answers more detail:os...

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

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220 views

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javascript - React Function Components with hooks vs Class Components

With the introduction of hooks in React, the main confusion now is when to use function components with hooks ... reasons? 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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259 views

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javascript - How can I tell if a browser supports <input type='date'>

Possible Duplicate: HTML5 Type Detection and Plugin Initialization <input type=date> Should create an input with an ( ... in a portable manner)? 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 - Detecting when Iframe content has loaded (Cross browser)

I'm trying to detect when an iframe and its content have loaded but not having much luck. My application takes ... and its document is ready? 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 format a phone number with jQuery

I'm currently displaying phone numbers like 2124771000. However, I need the number to be formatted in a more human ... ="phone">2124771000</p> 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 jQuery's mouseout() and mouseleave()?

What is the difference between jQuery's mouseout() and mouseleave()? 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 get document height and width without using jquery

How to get document height and width in pure javascript i.e without using jquery. I know about $(document).height ... page's height and width. 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 early break reduce() method?

How can I break the iteration of reduce() method? for: for (var i = Things.length - 1; i >= 0; i--) { if( ... which is not what I want } }, 0) See Question&Answers more detail:os...

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

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784 views

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javascript - Regex to replace everything except numbers and a decimal point

I have a text field that needs to remain only text or decimal. Here is the code that I'm currently using to ... a decimal? Thanks for the 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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484 views

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javascript - jQuery ID starts with

I am trying to get all elements with an id starting with some value. Below is my jQuery code. I am trying to use a ... yes"); }); }); }); See Question&Answers more detail:os...

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

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602 views

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javascript - How to convert UTF8 string to byte array?

The .charCodeAt function returns with the unicode code of the caracter. But I would like to get the byte array ... push(str.charCodeAt(i)) } See Question&Answers more detail:os...

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

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277 views

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javascript - AngularJS How to dynamically add HTML and bind to controller

I'm just getting started with angularJS and struggling to figure out proper architecture for what I'm trying to do. I ... } }; }); Thanks, Andy See Question&Answers more detail:os...

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

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284 views

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javascript - Firebase search by child value

I have the following structure on my Firebase database: I would like to search for an user by name, last name ... on the database. Any ideas? See Question&Answers more detail:os...

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

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426 views

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javascript - How to check browser for touchstart support using JS/jQuery?

In an attempt to follow best practices, we're trying to use the proper JavaScript/jQuery events according to what ... best way 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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248 views

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javascript - What does this statement do? console.log.bind(console)

I am using JavaScript and getting a problem with the statement console.log.bind(console) Please tell me what does ... it did not do anything. See Question&Answers more detail:os...

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

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325 views

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javascript - How to stop a requestAnimationFrame recursion/loop?

I'm using Three.js with the WebGL renderer to make a game which fullscreens when a play link is clicked. ... stop methods are commented out. See Question&Answers more detail:os...

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

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282 views

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javascript - How to tell if a <video> element is currently playing?

I see that the MediaElement interface exposes attributes like paused, seeking, and ended. Missing from the ... < video.HAVE_FUTURE_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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413 views

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javascript - Why is isNaN(null) == false in JS?

This code in JS gives me a popup saying "i think null is a number", which I find slightly disturbing. What am I ... think null is a number"); } See Question&Answers more detail:os...

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

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275 views

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javascript - open-ended function arguments with TypeScript

IMO, one of the main concerns of the TypeScript language is to support the existing vanilla JavaScript code. This ... as params feature in C#? See Question&Answers more detail:os...

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

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454 views

1 answer

javascript - Axios Delete request with body and headers?

I'm using Axios while programing in ReactJS and I pretend to send a DELETE request to my server. To do so I ... do so ? Thank you 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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318 views

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javascript - Scaling a chat app - short polling vs. long polling (AJAX, PHP)

I run a website where users can chat with each other through the browser (think Facebook chat). What is the best ... I scale this, please 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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386 views

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javascript - In Firebase when using push() How do I get the unique ID and store in my database

I am pushing data in firebase, but i want to store unique id in my database also . can somebody tell me ... "ReferenceError: ref 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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476 views

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javascript - Detecting combination keypresses (Control, Alt, Shift)?

I am trying to make a script run when Ctrl + Alt + e is pressed. How can Tampermonkey fire on a simultaneous ctrl, alt, ... send(); } }); })(); See Question&Answers more detail:os...

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

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362 views

1 answer

javascript - How to create a responsive image that also scales up in Bootstrap 3

I am currently using twitter bootstrap 3 and I am facing a problem to create a responsive image. I have used img- ... /div> </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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425 views

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javascript - Webpack babel 6 ES6 decorators

I've got a project written in ES6 with webpack as my bundler. Most of the transpiling works fine, but when I try to ... (v6.2.0), it would 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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300 views

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javascript - How to add background-image using ngStyle (angular2)?

How to use ngStyle to add background-image? My code doesn't work: this.photo = 'http://dl27.fotosklad.org.ua/20121020/ ... + photo + ')}"></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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