Posts by Sam • 79,597 points
3,121 posts
-
2
votes1
answer1884
viewsA: Bootstrap navbar close
In Bootstrap 4 (as specified in the question, but should work in recent previous versions) the menu will be closed by clicking on an item in the menu list, with the following jQuery listener:…
-
2
votes2
answers70
viewsA: find input value does not work
Your code has a problem: there are no classes .questao_numero and .questao_enunciado. Or you put the above class in the respective elements or take the values by tag name, since there are only these…
-
3
votes1
answer1044
viewsA: Uncaught Typeerror when using Jquery Mask Plugin
Make sure the order of the libraries is correct. Loading jQuery should always come first. See below Mask Input working. Check the other files .js are not causing any conflict (see if the console…
-
2
votes1
answer345
views -
1
votes1
answer22
viewsA: Observe an element when a new class appears
Use the .on with scroll to observe, when scrolling the screen, whether or not the element has the class: $(window).on('scroll', function(){ if($('.main-menu').hasClass('isStuck')){ console.log("tem…
-
10
votes2
answers312
viewsA: Optimization of SQL code
You can do it this way. It will only return records with "line" less than or equal to 50 (ie, 50 records max. of each type): SELECT * FROM (SELECT *, (@numero:=IF(@status = `his_status`, @numero+1,…
-
0
votes1
answer221
viewsA: How to show select option with jquery?
You achieve this by seeking div-father and then the select: $(".input_home_pequisa img").on("click", function(){ $(this).closest('div').find('select').show(); }); <script…
-
0
votes1
answer71
viewsA: Is there a Debugger showing why my code does not run in a particular browser?
The question is old, but you can see which errors appear on the page by opening the console in the so-called "Developer Tools", which is a native tool in modern browsers (11/11/2017). To open the…
-
1
votes1
answer140
viewsQ: Dynamic change of meta viewport tag
It is possible to change the viewport of a page and have immediate effect without having to update it? Supposing I have the following viewport on the page to display on mobile devices (smartphones…
-
8
votes1
answer5406
viewsA: What’s the difference between cshtml and html
CSHTML is a file (extension . cshtml, of c-Sharp html) which has HTML markup, but differs from this by containing code using syntax Razor, which is a view engine of ASP.NET MVC and Webmatrix…
-
1
votes2
answers119
viewsA: Iframe does not support the "resize:" property in Mozilla Firefox
Unfortunately this is not possible as Firefox does not support resize in iframes, according to MDN documentation: Links: Documentation of resize on MDN Bug 680823…
-
1
votes1
answer76
viewsA: Validation of fields and data in table does not work
Your Javascript has many problems that fixed, such as the function call validar in the if, the parentheses were missing: if(validar()), among other errors that prevented the code from working (I…
-
1
votes1
answer23
viewsA: Problems with drop down display
You can do this only with CSS instead of Javascript. Using CSS Add code to your CSS: <style> #funcao:hover #subMenu li{ display: block; } </style> and remove it from the element…
-
0
votes1
answer2072
viewsA: When pinning menu at the top after scroll, everything below moves
One solution to this is to do a control margin-top of div below the menu. The code below does this. It fixes the menu when the div exits the screen and adds an upper margin of the same menu height…
-
1
votes1
answer103
viewsA: Insert into field in mysql
Put in the if...else where you are updating the balance, the query regarding the UPDATE when the player hits or misses, respectively: mysqli_query("UPDATE tb_aposta SET resultado='vitoria' WHERE…
-
1
votes1
answer96
viewsA: Validate field when switching to another field
This code will only work on inputs guy number, displaying a message below the field: $('.input-group input[type=number]').on('blur focus', function(e){ if(e.type == 'blur'){ var min_ =…
-
2
votes2
answers326
viewsA: How to align a mosaic with CSS?
I suggest you work with grid in this case. With this style of CSS it becomes easier to mount mosaics and alignments as you want, for example. In your CSS, I’ve added styles grid and aligned the…
-
1
votes3
answers178
viewsA: How to take width of div when minimize screen - Bootstrap
You can do this control with jQuery. This code will apply width=100% when the screen is smaller than "200px" and width=200px when equal to or greater than "200px" for all Ivs with class .col-md-1:…
-
1
votes1
answer28
viewsA: Know the Nth of the clicked item to select an input on the same Nth?
You can take the checkbox of the line clicked with: elemento.closest('tr').getElementsByTagName('input')[0]; Analyzing your code, a suggestion is to pass the clicked link sending a this as a…
javascriptanswered Sam 79,597 -
2
votes3
answers536
viewsA: How to Block a button
You need to search in the bank the games that the user has already bet and treat this when building the tables. My suggestion is to change the query line below: $buscar="SELECT * FROM tb_jogos ORDER…
-
1
votes4
answers1152
viewsA: Javascript function with Nan error
A suggestion with optimizations in the code, and using some functions: var ECG_TRUE, BPM_TRUE, FR_TRUE; checa = { ECG: function(NUMERO1) { if (NUMERO1 == null){ return null; } else if (NUMERO1 >=…
-
1
votes1
answer339
viewsA: How to check the size of a div and adjust it by jquery?
You can get the height of div using $(seletor).outerHeight(true). This method takes the full height of the element, including padding and border, if there is any. In relation to equalizing the…
-
2
votes1
answer10784
viewsA: Decimal in field number (html).
With this simple Javascript you solve it (the listeners are just for example, you do not need to use them. The code within them demonstrate how to add a 0 to the right of the decimal places):…
-
2
votes2
answers790
viewsA: Add border over an image and text
One way to build this edge is by creating a pseudo-element in the element where the content is inserted, with position absolute and dimensions in % a little smaller than the elemento-pai:…
-
1
votes3
answers56
viewsA: Problem with div positioning - CSS
A suggestion to keep aligned: .divFixa{ font-family: 'Open Sans regular', sans-serif; font-style: italic; font-size: 11pt; color: #4D4D4D; background-color: #cccccc; z-index: 99999999; /* right:…
-
1
votes3
answers307
viewsA: Button and span logic from CSS
You can check if the button has the referred class using .hasClass, after he received the class: if($("#onestepcheckout-place-order-button").hasClass('onestepcheckout-place-order-button-disabled')){…
-
1
votes3
answers2143
viewsA: How to center an img within a div, both responsive, without losing responsiveness?
Center the image horizontally with margin: 0 auto and vertically with transform: translateY, and adding position: relative: html, body{ height: 100%; margin: 0; padding: 0; } .logo-rodape {…
-
1
votes2
answers38
viewsA: Hiding and showing tab inside a modal using check
You can use the .is(':checked')and can also use .hide() and .show() to hide or show the widget. Updating: For the "Alien" tab to come hidden, or you hide it with display: none or you can use a…
-
2
votes2
answers124
viewsA: Time on stopwatch
A suggestion using 2 functions: var credito = 7200; // tempo em segundos function contador(t){ var temps = t, mins, segs; var countdownTimer = setInterval(function(){ hors = parseInt((temps/60)/60);…
javascriptanswered Sam 79,597 -
2
votes2
answers443
viewsA: Leaked triangle with css
One solution is to create a pseudo-element and rotate it, so the element itself will not rotate either: html, body{ background: #000; color: #fff; } .triangle { position: relative; margin-top: 25px;…
-
2
votes2
answers79
viewsA: Data html with jquery
The function .each will be called to each <img> with the specified class and change the src in accordance with the data- of each element travelled. In the example below, the basketball would…
-
2
votes2
answers824
viewsA: Disabled HTML and Jquery property
To change properties or attributes of an element with jQuery, in the syntax, the name of the attribute and the value should come in quotes: $('elemento').prop('atributo', 'valor'); In the case of…
-
5
votes1
answer10750
viewsA: What does >, :: , +, and & css sign mean?
Greater sign >: means child-direct element. Selects all children-direct element. Example: div > span <div> <span> <!-- filho direto da div --> DvD <p>DvD</p>…
-
6
votes2
answers1493
viewsQ: Syntax difference between databases
What is the difference, in the syntax, of the following databases, for a simple query, of the type: SELECT * FROM tabela WHERE id = '1' ORDER BY nome GROUP BY nome LIMIT 1 Or, what do they differ…
-
3
votes1
answer84
viewsA: What is the Chainability?
The term "Chainability" comes from English "chain", meaning "chain" (not "chain" of prison) or "chain". Therefore, the term means "ability to create chains". Chainability is the ability, within the…
javascriptanswered Sam 79,597 -
0
votes2
answers1155
viewsA: close div by clicking outside it
Can do in the following scheme: Include in this selector below the elements that you do not want to close to div when clicked (change class .botaoAbrir by the class of the element that opens the…
-
0
votes1
answer131
viewsA: Disable property using Draggable jquery UI and javascript
As commented, the solution is to add new_signature.draggable().children().attr('disabled',false); in the drop:: $(function () { $(".draggable").draggable( { helper: "clone", disabled: false });…
-
0
votes1
answer243
viewsA: How to check if a time interval has conflicting dates with another time interval in php?
You can do a very simple check: ($dt1_1 <= $dt2_2) && ($dt1_2 >= $dt2_1) Explanation: 10/05 15/05 [- $dt1_x -] [--------------- $dt2_x ---------------] 18/04 23/10 $dt1_1 (10/05) is…
-
1
votes1
answer90
views -
2
votes2
answers244
views -
2
votes2
answers67
views -
0
votes1
answer659
viewsA: How to reveal items when arriving on a particular scroll
Unused plugins, except the good jQuery, the script below makes equal effect. Just add the class .mostar at divs that wants the effect. I made a simple animation of fade in but may be adapted for…
-
0
votes2
answers85
views -
1
votes1
answer280
viewsA: Medium in Mysql database
Taking into account that you just want to make the calculation described in the question (the average of hits per question), so I believe the table mdl_quiz_slots no need to enter the query. The…
-
3
votes1
answer34
viewsA: How can Jquery be both function and object?
This is not jQuery, but an aspect of Javascript itself, where all functions are objects. Examples: var obj = function(){ alert('Olá!'); } obj.ola = "Olá de novo!"; obj(); // exibe "Olá!"…
-
0
votes2
answers209
viewsA: Get first value before comma
Using jQuery: dia_ = $('#organizerContainer-date').text().split(' ')[1].replace(/\D/g, ''); console.log(dia_); // retorna 3 <script…
-
1
votes2
answers121
viewsA: Execute code inside Event Listener
You can run the alert (or any other code within the event listener) creating a trigger click() for the event: document.getElementById("voltar").click();…
javascriptanswered Sam 79,597 -
2
votes2
answers648
viewsA: Two events in function - jQuery
Create a trigger with the event after page loading: $j(window).on("load", function(){ $("#fullname").trigger("change"); }); This will trigger the event onchange in the element. $(window).on("load",…
-
1
votes2
answers69
viewsA: Gradient diagonally in a circle
No need to repeat the last color: linear-gradient (135deg, rgba(0, 139, 206, 1) 0%, rgba(255, 255, 255, 1) 55%, <= cor branca rgba(255, 255, 255, 1) 100%); <= cor branca Just 2 colors, the…
-
1
votes2
answers48
viewsA: How to recover the last payment?
The query below should do what you want. It will only take the most recent payments from each customer (MAX()): SELECT * FROM financeiro fi inner join login lo on lo.login_id = fi.financeiro_pid…