Posts by Sam • 79,597 points
3,121 posts
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23
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answers1370
viewsQ: How does code obfuscation work in Javascript?
I wonder, how does this business of "obfuscate" a Javascript code. For example, there is an online service on a site that "obfuscates" the code at the time. Just paste your code and it returns the…
javascriptasked Sam 79,597 -
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votes5
answers2427
viewsA: Get clicked element position
With these pure JS, you get the position index from the button line clicked and eliminates the line. Using eventListener: window.onload = escuta; botoes = document.getElementsByClassName("apagar");…
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answers872
viewsA: How to create scroll link to target page
With pure Javascript, you can do it this way: URL of the page: meusite.com.br/#localdesejado or meusite.com.br/index.html#localdesejado or meusite.com.br/index.html?localdesejado Script:…
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answer32
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viewsA: What would this Jquery code look like in pure JS?
A solution would be: (function(){ obj = document.getElementsByClassName("nav"); for(x=0;x<obj.length;x++){ (function(index){ obj[x].addEventListener("click", function(){ this.className += "…
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answers260
viewsA: What is the difference between Cssclass="example" and class="example"
The difference is that the first is handled on the server, while the second is the result attribute of the first and treated on the client. CssClass is a style control property rotated on the server…
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answer161
viewsA: Showing scrollbar alone with textarea element
As stated in the comments, the problem could not be noticed in local tests, however, one solution is to assign the style overflow-x: hidden; at the textarea to prevent such a problem. Direct inline:…
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answers222
viewsA: Getting TD value and placing it in the array - Javascript
Its function is almost correct, except for two problems: 1º. Take only the cell text: Missed the textContent in produto[j] = tbl.rows[i].cells[j]; to take only the text inside the cell. The correct…
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answers784
viewsA: How to return an object using the object name as a function parameter?
You can use the method eval() to convert the parameter bookName, but call the function with book1 in quotes: function book(bookName) { var obj = { livro1: { quantidadePaginas: 300, autor: "Jorge",…
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answer900
viewsA: Adaptive border according to text size
Some modifications are required for this. See the comments in the CSS that have been added and removed (instead of line-height, was used translate to center the date text): .blog_post_list { width:…
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answers684
viewsA: Start animation when DIV is visible
The script below checks if a div teste (substitute teste for id of his div) is visible in the window according to the specified percentage and calls the action: $(window).on("scroll…
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answers1311
viewsA: What is the "Pointer-Events" property for?
pointer-events: none; prevents any action of the mouse pointer (inter) on the specified element (such as clicking, dragging, Hover, etc.). The natural value of pointer-events is auto. Valor inherit:…
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answers949
viewsA: Only take a PHP variable from another page with Jquery
I don’t know if it’s the best, but one way to do that is to send a variable to the page teste.php and in it isolate only what you want as answer, in case the variable $teste. In return, I use the…
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answer19
viewsA: Like the second cell in the last column?
Correct is you jump 2 in 2 lines (tr) to insert the cell with rowspan="2", because it will encompass the line (th) where she is and the rear line: <table class="table" width="100" style="width:…
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answers38
viewsA: How to configure URL to center object
Add a padding-top: 30px; in div "Specialties" that solves the problem of superior spacing.
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answers60
viewsA: Div doesn’t stick to the top?
You can do it this way too: $(window).on('scroll', function() { var ell_height = $('.menu').outerHeight(); // pego altura da div para os cálculos var ell = $('.menu').offset().top; var ill =…
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answers197
viewsA: How to pass id to delete function
The right thing is for you to create one container (or wrapper) (one div or a span, for example) for each item added. As you are doing, the elements are left without a reference of their own. See…
javascriptanswered Sam 79,597 -
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answer31
viewsA: I put a form on a website and I cannot get the confirmation message to appear. The code is below. Can anyone help me?
Your code has many problems. First, you must put the attribute onsubmit on the tag <form> to call the function hgsubmit(), otherwise the function has no usefulness. It would look like this:…
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answers67
viewsA: Error taking the specific value of a dynamically created input within an html table
To include a bracketed element in your selector, you must use quotes (single or double, according to what was used in the selector): Target element: <input type="text" class="txtValor"…
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viewsA: Add jQuery hours in real time
An alternative to @Sergio’s response using a little jQuery: function calcular(){ var c1 = $("#seg1").val().split(':').map(Number); var c2 = $("#seg2").val().split(':').map(Number); var dif =…
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answers52
viewsA: Doubt for an activity
The code could be this: document.getElementById("myText").value = "Pedro Brigatto"; document.getElementById("myText").value = "Pedro Brigatto"; <input type="text" id="myText" value="Mudar…
javascriptanswered Sam 79,597 -
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answer59
viewsA: Working with <tr><td> to optimize Jquery
To reference the first td of each tr, you can use two ways: 1st: with first-child: $("tbody tr td:first-child").css("color","red"); :first-child is a pseudo-class which in this case references all…
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viewsA: onclick event does not work on Chrome!
There are basically 2 errors in your code: 1. Action outside the function: function quebraLampada() { } document.getElementById("Luz").src = "_imagens/lampada-quebrada.jpg "; Correct: function…
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answers407
viewsA: When I put input inside some div javascript does not work
You have to remove the signal from the dial >. When you put the divs, the inputs are no longer direct descendants of the selector #formLog indicated by the sign >: $(' #formLog…
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answers83
viewsA: Count options disabled from a select with jquery
A simple way to count using jQuery: conta = $('select option:disabled').length; console.log(conta); <script…
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answers1761
viewsA: Read txt file and validate javascript
Using Javascript with Ajax The script below will go through the file line by line .txt deleting lines that do not have the desired string and updating the file in real time: Filing cabinet…
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answers1776
viewsA: Deselect radio type input
With the function below, only the first radio is unchecked by clicking it again (run the test and see the messages in console log.. Every click on one radio executes a function block): function…
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answers836
viewsA: Get position of an element
To take the position of an element relative to the top of the window, you need to make the following relation: distance from the element to the top of the document - scrolled distance from the page…
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answer43
viewsA: Is it possible to monitor all of the page’s Responses and Headers to use as a function trigger?
You could use the DOMSubtreeModified, however, second documentations, it is being discontinued and it would not be recommended to use it. What can be done, as a solution, is to create a setInterval…
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answer75
viewsA: Why is :first-Child a pseudo class?
It is because the :first-child does not point to a child element of its selector, but rather that your selector is the first child of your parent element. For example: a:first-child{ color: red; }…
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answers146
viewsA: "mouseout" of a div father is fired when the cursor is on a div daughter
The right thing to do is to use .mouseleave instead of .mouseout: $(".chevr").mouseover(function() { $(".prev_noti").animate({ width: "30%" }, 200); $(".extra").css("width", "initial"); });…
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answer111
viewsQ: Using sql_cache in Mysql query
When I learned Mysql, I was recommended to use the expression sql_cache after the SELECT, something like that: "SELECT sql_cache * FROM tabela..." Since then I started to use this in my codes, but…
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answers130
viewsA: Deselect checkbox in chain
To hide the second checkbox, you need to hide the div in which he is: $("#ck1").on("change",function(){ if( $(this).is(':checked') ) $("#ck2").prop('checked',true).parent().show(); else {…
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answers158
viewsA: Css3 stop after finishing rotation?
Although the question does not mention the tags jquery or javascript, a solution is to detect by jQuery when the transition ends and change the style of the element: Using jQuery: $(".openn")…
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answers1286
viewsA: How to clear the value of an INPUT after selecting the radiobutton?
Just add extra commands to each onclick that you already use respectively: document.getElementById('credito').value='' document.getElementById('debito').value='' Thus remaining: <input…
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answers828
viewsA: I can’t incorporate a Youtube video into my website
The correct format of src it’s like below: https://www.youtube.com/embed/ + video code In your case, it would look like this: <iframe width="560" height="315"…
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answers29
viewsA: Online error of the form
This error may occur when a sequence has been opened and has not been closed (e.g., keys, brackets, quotes). See in your code in the line below that it is missing 3 simple quotes in the insertion of…
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answer201
viewsA: Working with checkbox array
When you click on "Edit", you take a code in JSON format: { "idnomes": 15, "strnome": "JOSIVAN SOUSA", "has_uf": [ { "iduf": 1, "struf": "AC", "strdescricao": "Acre", "bolvisualizar": 1 }, { "iduf":…
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answer842
viewsA: How to add values from a td column dynamically with jquery?
I created some functions to count the number of lines, the total value to divide between the other lines and other currency format treatments. I also changed the keyup for keypress because it was…
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answer408
viewsA: Creating a SELECT based on another SELECT
If problem is in this part of the code: while ($dt = $rset->fetch_object()) { $empr = $rset->id_empresa; $nick = $rset->nick; echo "<option value='premorc.php?fnc=". $fnc . "&ans=" .…
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answers178
viewsA: Complete fields
The ideal is to make a normal function to receive the click in <li> of autocomplete. I also changed the position of Listener $("#descriList li").on within the return of the first Ajax, to be…
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answer120
viewsA: Open only one instance
Assuming that the method window.open shall receive the following parameters:: window.open(url,nome_da_janela,atributos); Where: url: URL of the page to be loaded in the window. wind_name: any name…
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answer92
viewsA: HTML5 Inverted Video
Unfortunately this is impossible. Since the HTML5 tag plays a video by streaming, in the sense of beginning to end, that is, it plays as it receives, and the browser is unable to play the last…
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answers943
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answer25
viewsA: opening ul menu by disabling the button
The problem is that the listbox after closed remains invisible above the buttons, preventing the mouse cursor from accessing the buttons. When closing the listbox, the height listbox: Back in the…
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answer98
viewsA: Change direction of the arrow from the menu when opening the submenu
You can do this by adding the attribute tabindex à div and changing the image of the arrow (whereas the image is a background) when the div receive focus: div{ display: block; width: 100px; border:…
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answers1338
viewsA: How do I change the color of all links and underline?
You can change the style of the elements <a> in your CSS: a{ color:red; /* cor dos links */ text-decoration: none; /* sem sublinhado */ } The code below should be deleted, otherwise the links…
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answer79
viewsA: Manipulate JSON with jQuery
First of all, as mentioned in the comments, exchange the dataType: 'html' for dataType: 'json' (return will be a JSON object). The return variable resultado will be the JSON, so just take the value…