Posts by Sergio • 133,294 points
2,786 posts
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4
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answer292
viewsA: Possible remove Alert lock checkbox in Mozilla?
To answer your question: it is not possible to turn off this behavior and prevent the user from clicking on this checkbox that prevents more page Alerts. You have to use another way to do this.…
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3
votes2
answers488
viewsA: jQuery.preventDefault(), jQuery.stopPropagation() and jquery.Stopimmediatepropagation()... no jQuery!
.stopPropagation and .preventDefault are different things. Prevent "default" behavior (default): When I need to block an action of your "default" behavior in pure Javascript usage return false;,…
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answers342
viewsA: Timepicker fields disappear when you select many dates
Each time you remove elements from the DOM, the event receiver that was connected to that element is lost. For example: dataOrganiza: function(){ var organizar = $("#horas_sel…
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3
votes1
answer113
viewsA: Why do jquery events not work when creating an object via Javascript innerHTML?
Two reasons (code errors) that could lead to this problem: #1 Problem: The element is created afterward that this jQuery be read. Solution: You need to delegate the event. New code:…
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answer373
viewsA: How to transfer a Javascript array to a PHP array
The best way to pass data between client and server is JSON. So to encode/convert an array to JSON, or a format that functions created to interpret JSON can use is: On the client side (Javascript):…
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5
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answers12033
viewsA: How to change the value of a "date" attribute in Jquery?
I leave one more answer (for modern browsers) which is using the HTML5 API. Actually it won’t take jQuery for this, you can use the dataset. The API is simple: Dataset element..name // to read…
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3
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answers122
viewsA: Heirs attributes with prototype do not appear in Javascript Reflection
I think the problem here is you’re using var self=this; and limit the reference in the new instance. If it changes the self for this within that for the this will point to the right instance.:…
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answers1399
viewsA: How to load background fade in css?
To load the image and only show when already in memory: var fundos = 20; var ran = Math.round(Math.random() * (fundos - 1)) + 1 var url_background = "img/" + ran + ".png"; function carrega() {…
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answer626
viewsA: Handle Json Array in PHP
If your PHP version doesn’t have json_decode, do this without json_decode takes more work. Assuming the array always has such data ("chave":"valor") should be able to use it like this: foreach…
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answer950
viewsA: How to prevent page loading
For that you’ll need a flag, something that keeps the state "clicked"/"not yet clicked". You can do this with a variable or maybe even better in the element itself that should be clicked. For…
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votes2
answers2429
viewsA: Is it possible to call Function without being by onclick?
I think in this case you can use the event DOMNodeInserted. var div = document.getElementById('involves'); div.addEventListener('DOMNodeInserted', function(e){ console.log(e.target); // veja na…
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answer2447
viewsA: jQuery function to format date by . class
If I understand your question this is to change the date formatting: $('input.data').each(function () { var data = new Date(this.value); this.value = [data.getDate(), data.getMonth() + 1,…
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answer214
viewsA: customize input for multiupload images
There are limitations to what type of information is accessible in Javascript. On the server side it is different and more information can be obtained. But still some parameters are accessible.…
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5
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answers242
viewsA: How do I persist with information after reloading the page? (e.g., a chosen background)
To save a user’s information you have 3 options: Store in the database This case needs authentication/login. There when the user clickar has to send an AJAX to the server in order to save the data…
javascriptanswered Sergio 133,294 -
1
votes1
answer852
viewsA: Use selectpicker in jQuery
To "fire a command every time the select selection is changed" you can use the event change and the code would look like this: $('select[name=nivel_p]').on('change', function(){ // correr código…
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answers7469
viewsA: Doubt about input stylization="Submit"
You can use input[type="submit"] CSS selector or or use a button and you can configure in CSS using button in the CSS selector.
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1
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answer2767
viewsA: How to validate input file with jquery validation?
I’ve been reading the documentation and found no error in your code. What I found is that you need an extra file in addition to jquery.validate.js that I found in one of the website’s demos. It is…
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answer1460
viewsA: Change table cell background color
There is an error in your Javascript, missing document in the code. Test like this: echo " obj[$k] = document.getElementById(\"linha$k\"); obj[$k].style.backgroundColor='#FF0000'; "; Could however…
javascriptanswered Sergio 133,294 -
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answers124
viewsA: Problems with html select
I suggest another, easier-to-maintain approach. var data = new Date(); var segunda = segundaMaisProxima(data); var meses = new Array("Janeiro", "Fevereiro", "Março", "Abril", "Maio", "Junho",…
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votes3
answers21897
viewsA: Add to html code via jQuery
Apart from the problem that the @bfavaretto indicated with the quotes, ie: $("#divPrincipal").append("<p class="text-success">Teste</p>"); must be: $("#divPrincipal").append('<p…
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answers53481
viewsA: How to decrypt MD5?
That is not possible. The MD5 string does not have the information that was encrypted in its contents. It is a unique representation of the original string but does not contain an encrypted version…
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answers3120
viewsA: Single Page Application with jQuery
Okay, approach with .load(): $(function () { $(window).on('hashchange', hashchanged); hashchanged(); }); function hashchanged() { var hash = location.hash.replace(/[#\/]/g, '') || 'home';…
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answer215
viewsA: Use jquery without refresh on the page
To prevent the button from following the expected path you need to use .preventDefault(). Change your code to: $('#enviar').click(function (e) { e.preventDefault(); and the rest equal. But I have a…
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answers494
viewsA: How to "unlock" any text at the time of "echo" and turn each word into a link
Javascript: To break that sentence in the blanks you can do it this way: var frase = 'recue o código em 4 espaços'; var palavras = frase.split(' '); var links = palavras.map(function(palavra) { var…
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answer1995
viewsA: How to generate Mega-Sena results ignoring some numbers?
Here’s a suggestion: var numeros_ignorados = [13, 10]; var quantidade_de_jogos = 3; // pode mudar a quantidade aqui var jogos = []; function gerarNumero(existentes) { var novoNumero =…
javascriptanswered Sergio 133,294 -
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answer98
viewsA: Javascript with two for loops
If I understand your problem correctly I suggest you do so: function obterMarcados() { // ir buscar todos os elementos var elementos = document.querySelectorAll('#form1 *'); //criar uma array com…
javascriptanswered Sergio 133,294 -
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answer150
viewsA: Error using Jquery UI and Bootstrap
There seems to be a conflict between the jQuery UI and the Boostrap CSS, if you change the z-index it will already work. .imgConteudo { z-index: 100; } jsFiddle: http://jsfiddle.net/mve2u1om/2/…
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answer100
viewsA: How to get the value found by the index?
Hmmm... the value that you pass to the method is the value that it thinks (if you think), so it already has the value you’re looking for right? But it can always do so (although it is redundant):…
javascriptanswered Sergio 133,294 -
3
votes3
answers432
viewsA: Conditional for verification
You can use the .index(), You don’t need jQuery. If you are going to repeat this check several times you can do a function for this. I suggest to store these numbers in arrays: var numerosA =…
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votes2
answers453
viewsA: Find div with attribute value equal to the one selected with jquery
If your elements are loaded dynamically you will need to delegate this event. So I suggest using $(document).on('click', '.btn', function(){ who will search for the element with the class btn only…
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answer157
viewsQ: Limit counter() to a certain level of the list list
I have this HTML I can’t change: <ol> <li>Main <ul> <li>Secondary A</li> <li>Secondary B</li> <li>Secondary C</li> </ul> </li>…
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answers1144
viewsA: Is JSON equal to an Associative array?
JSON is a standard for writing/formatting content in a string. JSON stands for Javascript Object Notation but actually this format created by Douglas Crockford has been adapted by several languages…
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answers19079
viewsA: Find Scroll Position of a Particular Object
For steps, what you need to do is: know the position of the element you want on the page to be able to compare with the scroll value at a given time. have an event receiver that measures the current…
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8
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answers5339
viewsA: Remove empty positions from an array
If the problem comes from PHP I think it should solve in PHP. To filter an array of empty elements: $m_prod = array_filter($m_prod); In case there are numbers inside the array then we have to be…
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answers71487
viewsA: Apply opacity only in background
If you use the background color Rgba format this should work. Test like this: background-color: rgba(10,23,55,0.5); Where 0.5 is the opacity level. For older browsers (IE9-) the solution is…
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answer3110
viewsA: Use Javascript/Google Maps database addresses
The solution you already have in Javascript is a great start. What’s missing is generating this array of objects on the server side. It could simply do so (code to be printed inside the tag script)…
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answer3240
viewsA: Display something when trying to close my site
You can use the window.onbeforeunload. So when you close the window you get a question with the text you choose, for example 'Are you sure you want to close the window?'. You can see it working here…
javascriptanswered Sergio 133,294 -
3
votes1
answer55
viewsA: Width of an element calculated with jQuery
Your problem is you’re using the .find() who seeks descendants of this. Use .next() will already work because the topoMenuBarra is not a descendant of Cora but sibling. (by the way .siblings() would…
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answers10036
viewsA: Apply color to font in element clicked only with CSS
You can do this using the pseudo-selector :active, but the effect only stays while clicking/pressing the mouse. To keep the class I really think only with Javascript. .trabalheSubEsqTitulo:active {…
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answers3368
viewsA: Multiple variable declaration in Javascript
It’s mostly a matter of style, a matter of taste. There is no difference of operation between one and the other. The only advantage of declaring with commas is to save a few Bites for not needing to…
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answer34
viewsA: Fadein only in elements loaded by Ajax with append
I suggest converting this date into DOM elements and hiding them. Only then make the append. Something like that: success: function (data) { var novoConteudo = $(data).hide();…
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answer856
viewsA: Receiving Json array in PHP
Your problem is that you are asking for an associative array when you pass true as the second parameter of json_decode. Use json_decode($json, true) have to use $table = $jsonObj['table'];. Pass by…
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answer449
viewsA: How to create an element in SVG dynamically?
Here is a suggestion based in this question. In the background create the new element within a function, so the cycle is cleaner. var variavel = 10; var svg = document.querySelector('svg'); for (var…
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answers3564
viewsA: How to send/receive data from client to server?
If you’re using Express, you can receive data via app.get() or app.post() app get.() Data passed in GET (url for example: google.com?foo=bar&animal=gato) will be available via req.query. An…
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answer231
viewsA: Automatic Form’s Generator with innerHTML
I’ve been looking at the code and you’ve got a lot of custom stuff. You should have more general code... less customized... It’s okay to add code that way. Best said: adding in this way shouldn’t…
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answer70
viewsA: Insert into array, whose parent property value is equal to the property value of the child object
You can do it like this: Perguntas.forEach(function (pergunta) { var id = pergunta.idPergunta; pergunta.Respostas = Respostas.filter(function (resposta) { return resposta.idPergunta == id; // aqui o…
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answer442
viewsA: Form validation with index()
The indexOf() exists for Arrays and Strings, works basically the same way: (Note that the Arrays method is newer and only available on IE9+) -1 if there is no array or string for the searched value…
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answer470
viewsA: Listen to multiple events in jQuery
Yeah, just separate with spaces: $('meu-seletor').on('click touchstart keyup', function(){ // minha ação aqui }); In the jQuery’s documentary says: One or more space-separated Event types One or…
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answer1808
viewsA: How to open an image in a new tab by clicking it and locking page without parameter?
To open a new window you can see this response. Deep down you need to use the window.open('url da imagem'), or you can just use the attribute target="_blank" in HTML using in href anchor the image…
javascriptanswered Sergio 133,294 -
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votes2
answers578
viewsA: Show table header only once
You have to take the statement from table from within the while/loop. First start this piece of HTML: $tabela = "<table border='1'> <thead> <tr> <th>ID</th>…