Posts by Sam • 79,597 points
3,121 posts
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2
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answer43
viewsA: Ask the user which element he wants to remove from the Javascript Array
Your code has several errors. You are calling the variable regiaoAmazonica wrong in 3 places, not respecting the case sensitive inherent to Javascript. You also don’t need this function(), since…
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2
votes1
answer1289
viewsA: Access variable in and out of a javascript function?
Updating: Use for is not recommended as being asynchronous, I mean, you’ll be looping without waiting for the return of $.when. The location.reload() in the setTimeout must be in quotes. You can…
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votes3
answers63
viewsA: How to specify a maximum of digits in a var in Javascript
Buddy, use .toFixed() for that reason: numero = 39.576911261669586; // poderia ser também numero = "39.576911261669586"; numero = Number(numero).toFixed(2); // irá retornar 39.58 The advantage of…
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1
votes1
answer573
viewsA: Find element to remove via jQuery
Your code is almost correct, missing only add two quotes within .val() to clean up the inputs (I’ll leave the inputs visible in the sandbox to see the effect): $('body').on('click', 'a.remover',…
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votes5
answers38033
viewsA: How to outline text via CSS
You can use -webkit-text-stroke, but has no support for IE: <style> -webkit-text-stroke-width: 2px; /* largura da borda */ -webkit-text-stroke-color: #000; /* cor da borda */ </style>…
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votes1
answer453
viewsA: Manipulate list element with Jquery
This answer is a functional model, you can customize it however you want: Obs.: created a class .list-group-item-error as an example just to style the wrong items. var qtdCarrinho =…
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votes2
answers2446
viewsA: jQuery - how to change text after "<i>" element?
UPDATED RESPONSE. You can do a treatment to pick up only the TEXT inside the div with nodeType == 3 and make a replace with textContent eliminating whitespace before and after text with $.trim():…
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votes2
answers852
viewsA: Align height 3 Divs in a row - bootstrap
A solution (although not on the list of tags question) would be a jQuery function: <script> $(window).on("load resize", function(){ div_inner = $(".wprt-image-box.has-shadow .item .inner");…
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votes2
answers2732
viewsA: Events tagged with <select><option>
Your mistake is in how to get the text from <option>. document.getElementById('cp1').textContent | | <option id ="cp1"…
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1
votes1
answer791
viewsA: Error: Uncaught Syntaxerror: Unexpected token { com easyui
As the error itself states: "Uncaught Syntaxerror" (syntax error), is the lack of a separator (in this case, a comma) in the function instances saveUser() before success:. function saveUser(){…
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votes1
answer1279
viewsA: Open link inside a div
See if this code with XMLHttpRequest() works on your Wordpress: Replace the whole <a></a> for this: <a href='javascript:…
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1
votes2
answers50
viewsA: How to change the layout of a page without touching the source code?
Use localStorage to save information in the browser and then use it: Example in Jsfiddle: CSS: button#botao1 {display: none; margin-top: 5px;} #esconder{ display: none; margin-top: 5px; } HTML:…
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votes3
answers158
viewsA: Stylize overflow Hidden
You will achieve the effect you want using slideDown() (see the commented lines that have been added in the JS code that handles the <ul>): $(".selectOptions .selectOption").click('live',…
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1
votes2
answers234
viewsA: Reset an option-based Select
Solution using addEventListener and window.onload (creating <option> dynamically in the select of the plots): pri_select = document.getElementsByTagName("select")[0]; seg_select =…
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votes1
answer125
viewsA: How to change table height?
The height is related to container in which the element is contained. whereas the container of your table is the body document, it is necessary that the document also has 100% height. For this, a…
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votes3
answers275
viewsA: Using the explode() function on Infomoney
If the field is coming 74.294 +0,99 and you have created an Array with explode(): $ibovespa = explode(' ', $ibovespa); The elements of this Array will be: ibovespa[0] = "74.294" ibovespa[1] =…
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votes4
answers1021
viewsA: Balloon that brings information about the page
The below script in pure JS and no library use makes the same effect. Simple operation: click on a cell of <table> and will open the box with the text of the cell clicked (and close the box of…
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answer1732
viewsA: How to leave content below the top fixed Bootstrap menu
A solution using jQuery: Delete these codes from the CSS: body { padding-top: 200px; } @media (min-width: 768px) { body { padding-top: 107px; } } Add the jQuery below:…
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answer262
viewsA: How to maintain previous checkbox status?
Add the code below that checks if the page URL contains the parameter ?f=on that will mark the checkbox: window.onload = function(){ url_ = location.href; if(url_.indexOf("?f=on") != -1){…
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votes1
answer1379
viewsA: Wait a certain period to run a Javascript function?
Use setTimeout() to perform a function after the specified time (in seconds): tempo = 10; //especifique aqui os segundos tempo = tempo*1000; setTimeout(function(){ var func =…
javascriptanswered Sam 79,597 -
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votes2
answers13898
viewsA: Picking up content from an HTML tag with JS
Use .innerHTML instead of .value: var url = document.getElementById('streamurl').innerHTML; alert(url); var url = document.getElementById('streamurl').innerHTML; alert(url); <span style=""…
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votes2
answers78
viewsA: Javascript code optimization (Jquery)
If you call "better" a way more dry, then would be this: $("#jogador").css("top",parseInt($("#jogador").css("top"))-v); Or you can assign the element to a variable, and it still gets quite short…
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votes1
answer129
viewsA: jQuery error not visible when migrating code
In the above print, when I step the pointer to select elements over the menu, it selects the body (in blue) instead of selecting the menu. Your problem is in the z-index below negative, which is…
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votes3
answers1263
viewsA: How to trigger an event when the value of a variable changes?
It is possible to use a setInterval() to keep checking of time to time (ex. every 1 second) if the variable estado change of value: estado = ""; // valor inicial da variável (neste caso, vazio)…
javascriptanswered Sam 79,597 -
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votes2
answers2715
viewsA: Calculating interest with javascript
Solution that automatically updates values when any field is modified as it is completed in real time: elementsArray = document.getElementsByTagName('input'); for(x=0;x<elementsArray.length;x++){…
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votes2
answers55
viewsA: Call class="button" instead of id="download"
Change the first line to: var downloadButton = document.getElementsByClassName("button")[0]; Whereas the button is first in class .button. Even if there are others with the same class, only it will…
javascriptanswered Sam 79,597 -
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votes1
answer89
viewsA: Replace background-image of :after
You cannot change the pseudo-element :after because technically it is not part of the DOM, so it is inaccessible via Javascript (jQuery). What you can do is add new classes to the :after: CSS…
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votes4
answers613
viewsA: Change the position of a <li> to the first position
Way using .prependTo() and respecting the hierarchy of elements: $('.opcoes li').on("click",function(){ $(this).prependTo($(".opcoes")); }); $('.opcoes li').on("click",function(){…
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votes4
answers114
viewsA: Ajax does not recognize PHP echo
Probably the return of Ajax is coming with some space or line break along with <nome>, therefore the if understands that answer is not exactly <nome>. One way to solve this is by…
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votes2
answers372
viewsA: Display text contained in span in Hover
You need to add a few lines in CSS to get what you want. I added the CSS below to handle <span> so that it is displayed correctly: a.tooltips span{ display: none; width: 120px; }…
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votes4
answers5940
viewsA: How to make an image increase without losing quality with CSS?
In fact the image does not defocus (or "pop", as we say) when you scale her up until the actual size of the image. This only occurs when the applied scale is larger than the actual image dimensions.…
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votes3
answers3932
viewsA: How to remove an item from an array without knowing the index, only the value?
One way to do this is by searching the Array for the object’s index and then removing it with .splice(): var a = new Array("um","dois","tres"); console.log("Array original:"+ a); var indice =…
javascriptanswered Sam 79,597 -
3
votes3
answers953
viewsA: How to simulate the event click on a <select> when hovering over a <div>?
Cannot simulate a click on the element <select>, but there is a way to expand it by transforming it into a listBox inserting into the <select> the attribute size:…
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votes2
answers722
viewsA: Simple ajax to reload a DIV every 30 seconds
You should apply the desired range of way synchronous, that is, calling the function newRequests() only after the return of Ajax. The way you are doing, you can overload your server and even crash…
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votes2
answers131
viewsA: Convert power
Delete all spaces within parentheses in the string before applying the <sup>: input = "2 ^ (2 - 6) + 5 ^ (2 + 3) - 6 ^ 10"; input = input.replace(/\s+(?=[^(\]]*\))/g, ""); output =…
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votes3
answers1557
viewsA: How to create a popup that keeps blinking on the screen?
With the code below you get a Javascript effect that makes the element look like it is blinking: var piscando = document.getElementById('id_do_elemento'); var interval =…
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votes3
answers197
viewsA: Press button and appear "CURSOR/ or ANYTHING" until operation is finished
You can fire a message on the screen stating that the operation is in processing, and after the return of Ajax, remove the message. The message can be a small window with text, an animated image or…
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answers103
viewsA: How can I decrease the size of this function?
You can validate with fewer lines still, restricting the variable qm within a set of values: <script> function adc_atalho(qm) { if(qm > 0 && qm <= 6){ // aqui eu restringo de 0 a…
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votes1
answer195
viewsA: Menu for mobile
A practical solution is to add a overflow-y: auto; in class .menu, being like this: .menu { display: none; width: 100%; height: 100%; position: fixed; background-color: rgba(2, 90, 164, 0.9); top:…
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answer483
viewsA: How to make a negative rounded corner to put on the tab of a button?
Adjust the elements :before and :after as follows, creating 2 borders on each one, applying the background of the page (in this case, green) and positioning them: #menu ul li.active:before {…
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votes1
answer37
viewsA: Problem with titles on the site,
You can solve this by applying the CSS below to the element <fingcaption><p>: figcaption p{ line-height: 1.15em; margin-top:10px; } You can make a fine-tuning in the line-height changing…
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votes8
answers4394
viewsA: How to identify "Capicua" numbers that have 5 digits?
One logic I found was the following, separating 3 pieces of information from the 5-digit number, which I call x: Take the first 2 digits (I’ll call left2). Take the last 2 digits and reverse their…
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votes2
answers618
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votes1
answer1575
viewsA: Open Input File with Javascript
You can do this using the Filereader API. In the example below, you can save the contents of the selected TXT file to input type=file in the variable texto: <input type="file" id="files"…
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votes1
answer76
viewsA: I can’t find my mistake
One way to leave the two forms repeated and the same Javascript that does the validation is to identify which form is being used (top or bottom) and validate only this one (ignoring the other) is…
javascriptanswered Sam 79,597 -
3
votes2
answers145
viewsA: What I’m missing in this Form Calculating IMC in Javascript
The "}" key that closes the function is positioned before the end of the function content: function calcula_imc(){ var altura = document.imcForm.altura.value; var peso = document.imcForm.peso.value;…
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answers111
viewsA: Selects nested in jquery or javascript?
You can use a pretty short jQuery for that: 1. el_select = "#table_com_parcelas select"; // seleciono o id da tabela com a coleção dos selects 2. $(el_select).on("change",function(){ // evento…
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votes2
answers970
viewsA: Check open or closed popup window
Create a variable that will be assigned to the popup: var minhaPopUp; When opening the popup using window.open, assign the command to the variable:…
javascriptanswered Sam 79,597 -
3
votes4
answers627
viewsA: .append() an img tag?
A very simple solution, changing only one character of your code, would replace the sign that opens the tag <img> "<" (less than) per "<". This way the browser will treat the tag as…
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votes4
answers218
viewsA: How to define Focus in jhtmlarea?
A practical and functional way is to create a function to check whether the field <textarea> with the plugin jHtmlArea is empty and focus on it: function checa(){ var a =…