Posts by Sam • 79,597 points
3,121 posts
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answers101
viewsA: Change CSS with Jquery
You can check if the link contains the class with the method .is: $('#contraste').click(function(){ var acao = $(this).is(".ativar"); // retorna true ou false if(acao){ // se for true $(this) .css({…
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answer158
viewsA: creating a javascript tooltip for an html with Thymeleaf
I’m trying to do by javascript to give an event onmouseover() but I cannot select the element since the property .getElementByClass will return me an array and not separate values to show…
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answers59
viewsA: Take part of the value of the field
Besides the method substring of the other answers, one can use match with a regular expression: ^\w{3} -> pega somente os 3 primeiros caracteres da string Just like the substring, the match is a…
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answers1082
viewsA: Collision system for game in Html5!
By setting a range based on the mouse dimensions (23x26) you can define the collision. You can subtract the value of the mouse you move (y) by the moving mouse (yy), thus defining a crease. Just…
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answer37
viewsA: Effect app keeps bugging in Chrome
The problem is that its div #image does not have position relative, only when the point is created, on this line: div.style.position = "relative"; When using the effects tools, Chrome is resetting…
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answer90
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answer63
viewsA: How to know the current position of an element in the <option>
Can use selectedIndex. Will return the index of option with the property selected: var opt = document.body.querySelector("select").selectedIndex; console.log(opt); <select> <option…
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answer138
viewsA: Graphic in css or jquery
I created some styles with 5 arrows in different CSS positions using ::before and ::after, that you can use as a base and create the others based on the models and adjust the way you think best for…
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answers734
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answers1128
viewsA: Find value within an array
You can also use a function with foreach: $valores = array( array('cod_produto' => 101,'valor' => 200), array('cod_produto' => 102,'valor' => 300), array('cod_produto' => 103,'valor'…
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answer296
viewsA: Add and remove select with button
You can clone the element and add in div. For this use the method .clone(). But change the id so it won’t be repeated. It is also important to change the name for name="cidades[]" to be able to take…
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answers595
viewsA: Know which div contains a specific class in jquery/javascript
You can do it in a simple way with jQuery: $("div.has-error").length In the above case you will find only divs with the class. To count any, use: $(".has-error").length In your code, you’d be:…
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answers11993
viewsA: Break line in link text with &text
Use the character of ascii control %0D (Carriage Return): <a target="_blank" href="https://web.whatsapp.com/send?phone=seu-numero&text=Mensagem Inicial%0DNova linha">mensagem</a>…
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answers34
viewsA: Javascript/Jquery effects not working when creating table in HTML
The first problem I see is the repetition of id='delayed'. You can remove it because it seems unnecessary: ... out+= "<tr><td>"+dado[i].id+"</td>"; ... Another problem is these…
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answers107
viewsA: my dropdown comes off the screen, how do I get it down to the opposite side?
Add the class .dropdown-menu-right à div .dropdown-menu, to align the menu on the right, thus: <div class="dropdown-menu dropdown-menu-right" style="width:600px;"> Bootstrap 4: alignment of…
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answers100
viewsA: Align titles in html
To align content to the top of a column in tables, use valign="top": <td valign="top"> conteúdo </td> This misalignment happens when the height of the td is greater than its content and…
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answers127
viewsA: (Pure js) function that Filtre array so that it returns single arrays with distinct elements
When doing the table test, results in the following arrays: [3,4,7,9,5] [3,4,7,9,8] [3,6,4,7,5] [3,6,4,8,5] [3,6,4,8,7] [6,7,9,3,4] [6,7,9,3,8] [6,7,9,4,8] [6,7,9,5,3] [6,7,9,5,4] [6,7,9,5,8] The…
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answers13294
viewsA: Perform a function after full page loading
You can use the event $(window).on("load"...: $(window).on("load", function(){ // página totalmente carregada (DOM, imagens etc.) }); It’s quite different from $(document).ready(function()..., that…
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answers1199
viewsA: How to make these radio buttons checkbox style, and change the value of a text depending on the choice?
You can do the fake checkbox with CSS using ::before and checking the radio checked with the pseudo-class :checked. The part of changing the value in div you can use addEventListener when the…
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answer213
viewsA: String postgresql manipulation?
Use the regex: <<.*?>> You will marry everything that stands between the signs of << and >> (including the signs). But also use the flag 'g' (global) to replace all…
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answer35
viewsA: Help with a Javascript mask for a form
From what you described in the question, the code below will serve you (see comments): function validaRegistro(value){ var padrao = /^\d{6}$/; // só aceita 6 dígitos à partir do início var valida =…
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answers859
viewsA: Fill Bootstrap modal with a div value
You can pick up the text from the first td and play in the field of modal with the event .click: $(document).ready(function (){ $("[data-toggle='modal']").click(function(){ var valorDaDiv =…
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answer641
viewsA: Hide and show div after a certain time
Would basically be a if alternating the two divs with .hide and .show() using setInterval: $(document).ready(function(){ setInterval(function(){ if($(".tela-01").is(":visible")){…
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answer496
viewsQ: Array in PHP using () or []?
I always use the parentheses to define an array in PHP, such as: $array = array('a','b','c'); But once in a while I see some codes here using brackets, like: $array = ['a', 'b', 'c']; However, if I…
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answer28
viewsA: Pass values inside <Frameset>
You can select the frame that will receive the value by id. Just put the two iframes with this basic structure: <iframe id="frame1" src="p1.php"></iframe> <iframe…
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answer102
viewsA: Is there a way to customize Function Alert equal to the input required?
Use the callback of the tool with shown.bs.tooltip. After the tooltip is displayed, you can set a time in milliseconds with setTimeout to hide the same: $(document).on('shown.bs.tooltip',…
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answers10018
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answers1806
viewsA: How to disable and enable onclick with Jquery
Empty the onclick only of the images of div current with: $("img", $(imagem).closest("div")).attr('onclick', null); Put this line before the return of function: function imagemCerta(imagem){ ...…
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answers98
viewsA: How do you compare a string when it only has one space?
You are trying to compare all variables at once using only 1 operator ==. That doesn’t work. You would have to compare the variables one by one, this way: if ($nome == " " or $categoria == " " or…
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answers165
viewsA: Count how many empty fields you have in the form with Jquery
You can do this with filter. Will return only the number of empty fields on the line: $("[name^='ValorI']").on("input", function(){ var linha = $(this).closest("tr"); // seleciona a linha TR //…
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answer493
viewsA: Link with Anchor
You can restore the page URL (by removing the alerta#destaque) without it being reloaded using the method history.replaceState. For example: of site.com.br/alerta#destaque passes to site.com.br. In…
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answer551
viewsA: Know if I’m in a region by latitude and longitude
You can simplify the function by just checking the coordinates $longitude_x and $latitude_y are inside the polygon with the vertices informed in the arrays: function is_in_polygon($points_polygon,…
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answer31
viewsA: Sum 02 fields of the fields coming from BD Mysql
You can do it this way by selecting the input where the values are being entered, searching and summing the values of the first two inputs: // input com name iniciado por "ValorI", ou seja, // vai…
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answers576
viewsA: what’s the difference in using #my_div or div#my_div
div#minha_div and #my_div In the first case you are selecting a div that has the id #minhadiv. Ex.: <div id="minha_div"></div> In the second, you are selecting any element who owns the…
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answers201
viewsA: Javascript method
You need to define eu as an object. So you can build the method eu.pensamento() as a function of fiz(): function fiz(){ alert('Eu fiz, o que não fiz!'); } var eu = new Object(); eu.pensamento = fiz;…
javascriptanswered Sam 79,597 -
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answer751
viewsA: Set as Pattern values with two decimal places in input Html5
The attribute pattern only works in types: text, search, tel, url, email, or password. Does not work in type="number". (See MDN documentation) To validate the field using regex, you can do it via…
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answers505
viewsA: Is it possible to listen to multiple buttons with a single addeventlistener() ? If it is possible How to do it with pure javascript?
With a for, after selecting the elements by class, you can assign a eventListener for all at once. var botoes = document.body.querySelectorAll(".quina"); for(var x=0; x<botoes.length; x++){…
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answer147
viewsA: DIV that starts at the end of another div and goes to the end of the father div
Only with CSS you won’t be able to do this because it has no way of knowing the height of the elements dynamically. As you are using Bootstrap, a small jQuery code will solve the problem by…
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answer76
viewsA: Link with ajax result does not accept click
Like the href link has only one hash (#), you are wanting to capture the click on the link through a .click or .on("click"). Since this link was dynamically added to the page by Ajax, it was not in…
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answer895
viewsA: How to group buttons inside a column into a table so that they do not change when the column is adjusted
Add white-space: nowrap; to the table column. The nowrap prevents white spaces from breaking to the next line. Example without white-space: nowrap;: .icones{ display: inline-block; width: 25px;…
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answer33
viewsA: How to refresh the page and stop updating?
You can use the document.referrer and compare with the current URL: if it’s different run Reload, if not, it does nothing: if(document.referrer != location.href){ window.location.reload(); }…
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answer46
viewsA: doubt sore or each JQUERY
That’s because your dial each is taking all the trs, including the first which is only the table header, where it does not contain the classes you capture, so the index result 0 shall be void or…
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answer2198
viewsA: Calling page by HREF and pressing in IFRAME the id of another page
Page-long .html, you can do this using Javascript. You can do this by following the steps: 1. Add to hash with the id of div that you will carry on href of the link to index.html: <a…
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answers238
viewsA: How to put the option to mark all Checkbox in Jqgrid
Create a <input type="checkbox" id="selAll"> Selecionar tudo out of the table (you can put it above the table. You can format it any way you want): <input type="checkbox" id="selAll">…
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answer504
viewsA: Repeat Carousel Bootstrap
You want to pass each slide item with different times, picking up the attribute duration of each. The first thing is that you are using the wrong event: use slid.bs.carousel instead of…
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answers239
viewsA: Error searching for field value - Javascript
In addition to the problems cited in Sorack’s answer, another problem is the document.write. This method replaces the content of the page with the message, right on the line…
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answers598
viewsA: How to "validate" the input
The error is in the return of filter. You should check the element with the pseudo-class :valid in this way, using the method .is: var validos = $("input").filter(function() { return…
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answer487
viewsA: Carousel with different display duration for each item
You can create an object with different values for each element of the slider and call the callback beforeChange (see documentation) to change the duration (autoplaySpped). Remember that the name of…
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answers54
viewsA: Reload Automatico without being precise
You can create a simple variable to save concatenated values and on the return of Ajax check if there has been a change. Ex.: var voTos; function ajax() {... var votosAjax = votos1.concat(votos2,…
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answer59
viewsA: Is there any way to add Bootstrap’s "tooltip" to the force?
You can add attributes dynamically with (as reported in chat): $(document).ready(function(){ $("a", ".novolinkdedownload").attr({ "data-original-title": "Comente, agradeça!", "data-toggle":…