Questions tagged as 'navegador'

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How to find out if JavaScript is disabled?

How can I check and display the message to the user that the browser's JavaScript is disabled? For example, it will do something, and if its JavaScript is disabled I show this message to it, so that it will enable in the browser. What code ca...
asked by 15.09.2014 / 16:46
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Is it safe to minify HTML?

Like JS and CSS, HTML can also be "minified": <!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="wi...
asked by 10.07.2014 / 18:47
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Is referring to an element via its id considered bad?

In Javascript, you can reference any element that has a id (and in some cases a name ) by simply using an identifier with the same name - without having to declare it: / p> <div id="teste">Teste</div> console.log(test...
asked by 26.06.2014 / 20:41
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$ e $$ are now browsers' native functions?

When using the console on a page without JavaScript, I noticed that typing $ had the same effect as document.querySelector and typing $$ had the same effect as document.querySelectorAll . Would two functions shortcu...
asked by 24.04.2017 / 23:07
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Check user's browser in PHP

How do I check if the user is using the Internet Explorer browser, version 10 down, so that I can display a message to update it before entering my site?     
asked by 15.08.2014 / 17:48
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How to check if the properties of the window object are native?

I'm using shim that modifies several of the properties in the browsers window object. At this point I need to validate if one of the specific properties is native or a shim. Because shim can modify the native property. For example: (fu...
asked by 06.03.2014 / 15:50
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Maximum number and size of cookies

While investigating cookies and their limitations, I came across this Microsoft page where they talk about Internet Explorer and its capabilities regarding Cookies: > Cookie Size and Number Limits in Internet Explorer   Microsoft Internet...
asked by 28.01.2014 / 00:31
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How do I expect to import text / html content into modern browsers using the link tag?

Recently I came across the current documentation of TAG <link> on the W3.org site - link where you specify that you can import content with mime-type text / html, ie HTML files. This would solve a current problem that I have t...
asked by 19.02.2014 / 18:49
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Clustered id rendering speed vs class

Some time ago I saw some tests to render CSS rendering using id to be faster than rendering using class , due to the amount of id is often lower in the document in relation to the number of classes (one of the tests you can check in this ta...
asked by 17.11.2015 / 18:59
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What do security modules commonly used on bank sites?

Most banks offer some kind of security module that acts on the client side for access to internet banking websites. Usually they are done in Java and they are usually very annoying to install. What exactly do they do at the technical level? W...
asked by 06.06.2014 / 18:45