Most voted "html" questions
Use this tag when the question refers to some resource, information or problem related exclusively to the HTML language (Hypertext Markup Language). HTML is the main markup language used to structure web pages and format content. The latest revision of the HTML specification is HTML5.
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votes2
answers1371
viewsHow to catch event that closes the browser?
I am trying to clean my localStorage before the window is closed and I tried to use window.Unload and also window.unbeforeload. However, when using them they clear the localStorage if I just reload…
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votes1
answer1161
viewsHow to script C# to run HTML
I developed a C#(Csharp) script for web pages! But I don’t remember how to add the script tag being the C# language and not javascript.
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votes2
answers1140
viewsHow to change the color of a div every 40 seconds?
I would like a div was alternating colors, two colors preferably. If you want you can put more than one example. But my preference is that the color changes every 40 seconds.
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votes1
answer103
viewsHow do I select Multiple to allow you to select only one item?
I have a select: <select multiple="multiple"> <option value="0">teste</option> <option value="1">teste 1</option> <option value="2">teste 2</option>…
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votes1
answer124
viewsDifficulty when combining web languages
I’m a beginner in web programming and I’m making a mess when it comes to mixing the codes, I have studied a lot but I still have a lot of doubt at the moment to combine all the codes, for now I use…
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votes3
answers16511
viewsValidate only number in input
I have this html <input formControlName="sGPTypeDeliveryId" type="text" placeholder="Tipo de Entrega" class="form-control" required="required" pattern="[0-9]+$"> using the Pattern attribute…
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votes2
answers47
viewsHow to register more information in the table
This is my code: $nome = $_POST['nome']; $rg = $_POST['rg']; $endereço = $_POST['endereço']; $conta = $_POST['conta']; $agencia = $_POST['agencia']; $operação = $_POST['operação']; $bandeira =…
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votes1
answer548
viewsHow to enable/disable a Div when clicking the checkbox
How to turn on and off a div by clicking on checkbox $("#chkBloqueio").click(function() { if ($("#chkBloqueio").attr('checked') == true) { $("#divBloqueio").attr('display', 'inline'); } else {…
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-9
votes1
answer2229
viewshow to start youtube video automatically in iframe without autoplay?
how could I do that in this code below <iframe width="420" height="345" src="https://www.youtube.com/embed/Y3wtmZ4Ds3M?autoplay=1" frameborder="0" allowfullscreen></iframe> no matter the…