Most voted "browser" questions
A browser, also known by the English terms web browser or simply browser, is a computer program that enables its users to interact with virtual Internet documents, also known as web pages, that can be written in languages such as HTML, XHTML or HTML5 with or without languages like CSS and that are hosted on a web server.
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answer174
viewsHow to Simulate Zoom Tweezers (Pinch zoom) in Chrome Dev Tools?
I am working on an interface that will be mobile. Is there any way to simulate the Zoom Tweezers (Pinch zoom) in Chrome Dev Tools? At least from version 59 or later? NOTE: For those who were in…
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answer74
viewsWhat is rel="noopener"? Should I use it on all links on my site? Can it affect SEO?
I recently noticed that the property rel of link may receive the tribute noopener, but I didn’t quite understand the advantages of using it... <a href="http://example.com" target="_blank"…
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answer587
viewsWhat is Quirks Mode and Browser Standards Mode?
Time and again I hear the term Quirks Mode, but I never really understood what it means or what it implies in rendering the HTML / CSS document. What happens for the page to enter Quirks Mode, and…
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answer65
viewsHow do I make a script work in a specific browser?
How do I make a script work only in a specific browser, for example: that works only in Chrome? And the opposite: block the script from working in a specific browser? What do I have to add to the…
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answer496
viewsHow to Inspect an element that only appears when I do Hover on another element?
I have an element that when making a hover in it will appear a pseudo-element elsewhere on the screen, however I would like to inspect this pseudo-element when it is visible on the screen. How do I…
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answers2052
viewsIs Ecmascript 6 supported by current browsers?
Can Ecmascript 6 features available in Javascript already be used in a way that is supported by current browsers? I wonder if this version is already supported as a whole (and not just specific…
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answers1563
viewsIn HTML and CSS should I use Single Quotes or Double Quotes? Is there any recommendation?
I recently noticed that the text editor that I use gives me an "alert" if I use simple quotes ' ' in HTML. Below are two examples, one using Simple Quotes in the body of the document in…
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answer331
viewsWhat does the "$" dollar mean in the browser console or in Javascript?
On any empty page (no library at all), when typing a $ in the browser console is returned a function, as shown in the output below: ƒ $(selector, [startNode]) { [Command Line API] } If I type two $…
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answers88
viewsCross-browser conflict at window width
I’m working on a site, the problem is when the window is less than 500px, in Firefox the navbar (navBar.css) appears one way (correct) and in Chrome appears another. How to solve this?…
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answer1901
viewsHow to execute a javascript function in the browser closure?
I am developing a web application and need to perform a function when the client clicks on the browser X or simply closes it. To be more specific I need to execute an ajax call at this close. Is…
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answer412
viewsWhat format is the image converted when requested by the browser?
This is more of a curiosity, I did a quick search and did not find something to explain how it works. In practice when we develop, we have some methods to request an image from the server and…
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answers74
viewsIs there any way to debug through the browser to stop exactly on the line being executed?
I picked up a complex code for maintenance and noticed that a table is constantly updating causing page slowness. I wonder if you have any browser options (Chrome preference), that allow me to stop…
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answers2573
viewsDetect browser and redirect user
I have an animation problem in Safari and would like to know how to restrict the use of Safari of all versions without having to list one by one, for example if I were to redirect a version of…
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answer732
viewsHow does the web page rendering process work by the browser?
I know there is a DOM tree, but I don’t know how the rendering works. I know that learning this is important.
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answers4145
viewsScript not authenticated
Time and again I come across an icon in the browser bar, stating that the page is trying to load scripts from an authenticated source. Why does this happen?
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answer484
viewsNavigation bar with Company name
How do I put on my website the name of My company in the navigation bar this way:…
browserasked 6 years, 11 months ago Edivaldo Macedo 41 -
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answer85
viewsPrevent browser autocomplete in password
I have a lock screen that depresses the user by inactivity, asking only the password of the same to access again. It happens that this screen has no use if autocomplete is on, since anyone can touch…
html security-guard input browser self-cmpleteasked 6 years, 7 months ago dalton gonzalo Fuentes 155 -
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answer2520
viewscss - Always define standard Rule 'keyframe' when Defining keyframe Error
I’m getting error in the code below that says css - Always define standard Rule 'keyframe' when Defining keyframe Error It runs normally on Chrome but is not working on IE 11 @-webkit-keyframes…
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answers725
viewsIs it possible to stream a video signal locally to a browser?
You can display the open TV signal using a capture card and display within a web browser using HTML5 or Javascript? Whereas I use Ubuntu.
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answer190
viewsWhat characters can I not use for cookie names?
I’m developing a new authentication system to decrease complexity and increase security. And I’m developing a system where some authentication cookies will have randomly generated names for each…
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answers363
viewsProblems with session_start() in Safari browser
I am using the Safari browser, and am programming in PHP 5.5. inexplicably safari does not secure session... nor actually creates! In other browsers my system works correctly, only in Safari has…
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answers762
viewsIt is possible to track the . js files that are called when running a Jquery event
For example, if an event click applied in a link call a function that is in the file A.js, which in turn needs the B.js, who needs the C.js. I wonder if you have how to know this dependency between…
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answer292
viewsPossible remove Alert lock checkbox in Mozilla?
In my code, I issue a confirm asking the user to select an option. The problem is: "When the user selects the desired option another is issued alert, and in this other alert always appears an option…
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answer84
viewsCheck compatibility with browsers
How do you check the compatibility of the websites in the various browsers? What online tools do you use? Or do you test on your own? Any experience reporting on this? Currently we need to always be…
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answer1066
viewsExplanation about redirect loop
I p/ a meeting and will ask why have some data Redirect Loop. In the code, I put a false parameter and it has solved, but turns and moves it back. The question is: What is a redirect loop? What I…
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answer82
viewsDoubt about development in firefox/firebug
Normally I work with Chrome for the development of websites, but currently I’m in a client that only uses Firefox and I’m noticing some differences. I have researched but not found much on the…
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answers43276
viewsConfirm ERR_CACHE_MISS form resubmission by going back to previous page?
Staff after I fill out a form and send to the database via POST, and after that go to another page, when I return to this form by the browser "<-" this error occurs on the screen: "Confirm form…
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answer1240
viewsHow do I install the Chromium package in Delphi?
I was using the Twebbrowser component which is based on Internet Explorer, but I have noticed that it runs disfigured HTML5 pages, I have heard about the Firefox package, but it did not run on…
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answer325
viewsPrivacy policy and cookie blocking in the browser
Good morning, I put a system to remember users in my program in php, I used cookies for this, as I found in Google an explanation about them, but I came across the following: IE and some browsers if…
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answer71
viewsCheck the compatibility of my app with browsers
Generally speaking, how can I check the compatibility of my web application with the most used browsers (and their versions) so that there is no problem with the functionalities?
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answers2413
viewsAjax does not work - send PHP data without refresh
I’m trying to send merged data from a form + PHP variables to be inserted into the BD, without there being page refresh. For this, I have a simple html form, and a PHP conditional that checks the…
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answer293
viewsDisable native browser validation
Would you like to know how to disable native browser validation in a form? I would just like to leave my validation in Jquery. What I wanted to take is this text box "Fill in this field.". Any…
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answer61
viewsSite is displaying posts of the day 2 of May, however, some access the news updated normally
I run the site www.atodahora.com.br - Since May 7th, at 12pm, in my office, I view it as if the date were May 2nd. I see nothing else. This occurs with other connections. It turns out that in other…
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answer37
viewsComponent is printed 2 times in browser
Good guys, I’m developing an app with angular2 final version using routes. I created some files and then came across a problem of routes. My Component Home is printed 2 times in the browser. In the…
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answers1838
viewsHow to force the favicon.ico update?
I have a problem with favicon.ico, he appears wrong. A while ago, I made a website that used a favicon.ico. After that, I’ve already made some 3 sites and the problem occurs in all. Although I put…
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answers82
viewsProblem with browsers
I am new to web development and I have a problem that I believe is more basic, but it is causing me problems. When I change my CSS , JS or HTML and update the page in Chrome to analyze the site and…
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answer56
viewsText selection via keyboard
Have you stopped to imagine how to select a text from a specific part of your navigation? For example to select inside a box input we use directional arrows like this: shit +, shit +, shit + and…
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answer558
viewsHow much data can cookies store?
Cookies are information stored by websites on your computer but how much data cookies can store?…
web-application google-chrome browser internet-explorerasked 7 years, 8 months ago Juliano da Silva Barbosa 942 -
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answers1306
viewsBrowser compatibility with javascript
Is there any tool or method to recognize which browser the user is using and whether this is compatible with the version of JS and Jquery that exists on my system ? The idea is if not compatible,…
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answers68
viewsWhy do native methods like Navigator.online network check not work properly?
I am creating a PWA application and the first step will obviously be to check the network. There are three known methods: use the global variable 'Navigator.online' use the 'ononline' and…
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answer1118
viewsDownload previous versions of Edge browser
I need to test my web application on older versions of Micrsosoft’s Edge browser. I am using virtual machine for such purpose, however, I am not able to find where to download the oldest versions of…
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answer2102
viewsTo disable the suggestion of saved passwords in the browser via HTML
I have here the following situation: I created an HTML form to change the user’s password in case he forgets it. The problem is that when trying to enter the password the browser exposes the options…
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answers381
viewsDoes Javascript not work in Safari/Edge?
I recently asked for guidance here at ONLY requesting help to make a chronometer via Javascript. While accessing in other browser (Edge and Safari(Windows and Mac version)) I saw that it keeps…
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answers115
viewsWhy use translateZ or translate3D in animations made with CSS? Hardware-accelerated animations in CSS?
Nowadays it is quite common to see even in the most simple animation effects websites made with CSS, both with transition as to @keyframes And one thing that has struck me is that several of these…
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answers128
viewsCan requesting CSS within Body speed up page loading and improve rendering performance?
First of all: We know that some requests made within the <head> document blocks page rendering. And we also know that hj on time is possible and allowed to use links de folhas de estilo within…
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answer157
viewsHow to open a browser with Python, Selenium and geckodriver?
I wrote an automation to follow people on instagram, but when I put Run in the code, it returns me in the log with no error, and still doesn’t open the browser for me to test the code. I think…
python selenium browser instagram geckodriverasked 3 years, 9 months ago Gleidson Marques dos Santos 21 -
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answer129
viewsCan the Developer Tool enable the Device Keyboard? In Chrome’s Devtools to simulate the keyboard?
I’m testing a website in the mobile version by Google Chrome Devtools. I know that by the Developer Tool besides being able to test the site responsibly tb has the options to test for each type of…
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answers781
viewsProblem reading UTF-8 files in PHP and right in the browser
I need to save a file .txt in UTF-8 in PHP. Saving the file is very simple, however, when opening the file directly in the browser (example www.site.com/file.txt) the browser cannot recognize the…
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answers41
viewsIs the load and processing dynamics between HTML and CSS asynchronous?
After the Three-way Handshake, that is, establishing the TCP connection between the client and the server. The client starts downloading the files. My doubts are: If in an HTML page that contains…
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answer68
viewsHow to hide default browser error messages?
I would like it to appear on the console, only the message placed on the Reject and hide that default GET error from the browser. function loadScript(src) { return new Promise((resolve, reject)…