Posts by Sam • 79,597 points
3,121 posts
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viewsA: how to select items in while counter, in php
Everyone will turn green because class .livro shall be applied to all <article class="livro">. Besides while to write a CSS does not make sense. Maybe a if, but it’s still not best practice. I…
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answers316
viewsA: Take the value of a string within a PHP variable
You can use parse_str(), but you’d have to do replace from white spaces to &: <?php $a = " A=1 B=2"; $a = str_replace(' ','&',$a); parse_str($a, $valor); echo $valor['B']; ?> See on…
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answer25
viewsA: Problem with background Animate + css
Problem of fluidity of the elements. The header will appear below the canvas because he comes after. Sort it out withdrawing the canvas of fluidity with position: absolute, so it will stay fixed on…
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answers1316
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viewsA: Run code only once
Since using database (which would be more recommended) is not an option, and using cookie would not be good because the cookie is only valid in the browser that created it, and can be deleted, you…
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answers830
viewsA: How to organize columns in a table
You can do this with colspan and defining a width according to the number of columns divided by 100%. For example: 3 columns = 33.3%, 4 columns = 25% and so on... Example of 2 rows of 4 x 3 columns:…
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answers59
viewsA: Set loading display time
You can use setTimeout with callback for delay the request time. Note that I created a variable delay where you can put a value in seconds: function loginRequest() { // Declaração de Variáveis var…
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answers57
viewsA: Input is not being checked via php
The way you did using PHP is correct, just forgot to close the code line with ;, that would look like this (as quoted in the other answer, one can only use checked): <input type="radio"…
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answer674
viewsA: Open new pages/links inside the tab
The first problem is to insert pages into hrefs of the links: <a href="link1.php"... <a href="link2.php"... <a href="link3.php"... The use of multiple links to create a tab only makes sense…
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answer85
viewsA: Search Box with Completed Text
Just put a value in the input text with the desired text, in case "home appliance brands". The value field input text is the text displayed on it. Your code would stand: <div id="divBusca">…
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answers92
viewsA: Fix Function in Calculator
Put a Event Handler in function $(".valores1").change(function to detect when a radio was clicked. I put evt, in this way: ↓ $(".valores1").change(function(evt) { I changed the code to make it…
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answer208
viewsA: HTML5 Semantic Structuring, How to Use?
Yes, the structure is correct. <nav> outside the <main>. All well divided, in my opinion there is nothing to touch up. You can use <aside> to include some prominent text related to…
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answer791
viewsA: Responsive image mapping
You can use the plugin Responsive Image Maps jQuery Plugin by Matt Stow (jQuery required). How it works? Do not enter attributes width or height image. Do this for CSS with responsive image: img{…
responsiveanswered Sam 79,597 -
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answers1157
viewsA: How to make a foreach in Javascript?
You can make a loop guy for(valor in array) that will take the amount you want. Example to catch the valor1 of each sub-array in campanhas: var campanhas = { campanha1: { valor1: "a", valor2: "b" },…
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answers154
viewsA: Problem with toggle button
Best way to do this is by using slideToggle() (more info): $("#btnHelp").click(function(){ $("#description").slideToggle(); }); .fundotog { overflow: hidden; min-height: 500px; background-image:…
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answers62
viewsA: How to perform a function N times in 1 second
Why not pass the value "N times" in the function demo(), in this way: demo(5); // executar função 5 vezes em 1 segundo And in function demo() receive and divide this value into 1000, which equals 1…
javascriptanswered Sam 79,597 -
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answers137
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answer55
viewsA: Recovering item in another function with jquery/js
How you are capturing said code in function RemoveTableRow in: var Codigo = $(Linha).find('td[data-codigo]').data('codigo'); You can send this code in the function AbreModal as a second parameter:…
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answer1518
viewsA: select / form / input / html and php integration
You can do this using CSS and HTML. Just create 3 divs side by side and a button at the bottom. Then you send the form data to a PHP page and do the treatments as you like. See how it would look…
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answers3792
viewsA: Onunload methods and onbeforeunload do not work
I answered a similar question here. But for the method window.onbeforeunload work, you need to put a return: window.onbeforeunload = function(){ return 'Tchau'; } However, some browsers do not…
javascriptanswered Sam 79,597 -
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answers1941
viewsA: Count lines with javascript
I see the following problems in your code: 1. foreach The forEach is not a good one, because it will give a loop without expecting anything, ie, will call the elements of the array immediately…
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answers678
viewsA: PHP convert kilometers/hours by nautical miles / hours
Whereas 1 nautical mile amounts to 1,852 kilometer, to convert Km/h in Mn/h the following calculation is sufficient: Divide the value in Km for 1,852: <?php function kmh_to_mnh($v){ $mnH = $v /…
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answers6985
viewsA: How to underline html / css
Wouldn’t use text-decoration-color or text-decoration-style because it is incompatible with the Internet Explorer: I don’t think it’s a good idea to use unsupported styles for all modern browsers.…
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answers190
viewsA: Open Fancybox on specific page
You can check which page you are using on $_SERVER['REQUEST_URI'] and checking with strpos() if the string /home is in the current URL. It is also important to check if jQuery is being loaded on the…
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answers72
viewsA: I calculate between two inputs and result in another
A solution without changing anything in your HTML is catching the index of the field typed by name and playing the value on the field total of same index. The e.target.name.split('[').pop() will…
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answer154
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answer148
viewsA: A msg box before opening the site
You can create these box box warning with 2 divs: one that will be the transparent dark background that will occupy the whole screen and another that will be the box with the warning, centered…
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answers563
viewsA: Div shows no picture
Your mistake is in using background-image with parameters (eg. no-repeat). To use parameters in the background image, use only background. Ex.: background: url('../imagens/caverna1920.jpg')…
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answers578
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answer59
viewsA: responsive website, CSS problem
To avoid this kind of problem, I suggest putting a background color for each section, and setting a background color on body which will also be the background colour of the footer. Look at the…
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answer36
viewsA: css / Attachment
The problem is not connected to background-attachment. The size of background is defined in background-size. Using cover, the background image will occupy the entire width and height of the div (as…
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answer2355
viewsA: Uppercase and Lowercase Letters only and regular expression accents
You can include a conditional | followed by the characters between [] you want to include in the survey: /([^a-zà-úA-ZÀ-Ú ]|[äåæËÎÏÐðÑ×÷ØÝÞß])/ If you have problems with accentuation in…
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viewsA: I’m having a problem with padding/ margin
The best thing in this case is to add a padding-bottom in row, which will create a proper spacing between the icon and the bottom edge of the row. Like the h2 already possesses margin native, just…
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answer70
viewsA: Change the color of a button and keep it changed after the user leaves and returns
Since what you want to do does not involve security issues, you just want to change the style of a button, you can use localStorage Javascript, which works as a cookie. The localStorage stores…
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answers14621
viewsA: Table does not break the line
You can use white-space to break long strings. Datatables does not have a specific style for this. You can add a CSS on the page to the table by id: #basic-btn tr td{ white-space: pre-wrap; } Or via…
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viewsA: Does not work SQL
If you want to check whether the value is one or the other, the correct is to use OR: $query_part = "SELECT * FROM participacao WHERE manutencao = 'Equipamento' OR manutencao = 'Material de saude'…
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viewsA: How to make a div Scale without changing the child elements?
You can create a pseudo-element ::before who will suffer the scale, leaving the content of div inert. pseudo-elementos are like child elements virtually created, where you can change your CSS styles…
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answers381
viewsA: Uncheck all checkboxes by going back to the previous page
A simple addition of jQuery code unchecks everything, both when loading the page and when returning to it: $("input[type='checkbox']").prop('checked', false); If the checkbox have a class in common:…
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answer28
viewsA: Position Fixed - return to where you were with the mouse scroll
You can take the position of scroll window and decrease by the position of the div #parar against the top of the document. When the result is greater than 0, withdraw the class .stick of div fixed,…
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answer872
viewsA: Uncaught Typeerror: Cannot set Property 'focusInvalid' of Undefined
First, note that you started the plugin in lower case, which would cause an error and the plugin wouldn’t even start: tinymce.init({ instead of tinyMCE.init({ But the error quoted is related to id…
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answer827
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viewsA: After Variable validation fails, choose a select option
Create a localStorage with the city code on front-end as soon as a city is chosen in the select: $('#cidades').on('change', function(){ localStorage.cidade = $(this).val(); }); In the Ajax that…
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answer526
viewsA: Pass input parameter to function
You can send multiple parameters to the function, where $event will send the properties of the element, which you can capture with currentTarget: var campo = new Vue({ el: '#teste', methods: { func:…
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viewsA: message : "div is not defined"
If you use multiple libraries (jQuery, Bootstrap and other related libraries), it would make more sense for you to use jQuery itself to simply show and hide the div, drastically reducing the code,…
javascriptanswered Sam 79,597 -
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answer1457
viewsA: How to Capture Span Content by Javascript
You can do it with the following selector: var els = document.querySelectorAll('.message-in span.copyable-text'); // seleciono todas var conta = els.length; // conto a quantidade var texto =…
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answers364
viewsA: Validation of sex with input radio is giving error?
inputs of the kind radio of the same collection must have the same name so that you can choose one or the other: <input class="sexo" name="sexo" type="radio" value="m" checked="checked" />…
javascriptanswered Sam 79,597 -
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answer1636
viewsA: concatenate variable into link - javascript
You can use document.write to construct the URL by passing variables: <script> var ins = 123.46; var newcostumer = 456889; document.write('<scr'+'ipt…
javascriptanswered Sam 79,597 -
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answers97
viewsA: How to separate the title and content in html?
There you need to add several styles, both in the title and on the page: html, body{ margin: 0; padding: 0; } #titulo { background-color: blue; position:fixed; display: block; width:100%; margin: 0;…
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answers447
viewsA: Comparison operator or isset()?
The isset() returns a boolean value, true or false, that is, checks whether or not the variable exists. Check if the variable has a value set with == is more difficult for the server, because, in…
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answer46
viewsA: Fetch table value and put in form
The problem is that when picking up the text in the table, it is not matching the value in the combobox because captured table text comes with spaces, and will not match the value of the select. To…