Questions tagged as 'javascript'

Tagged questions
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The node of an object does not exist

I'm doing some tests with Highcharts and I'm creating the nodes separately and not all together as they do. var obj = {}, data = [], series = {}, labels = ['Culiacán', 'Durango', 'Mexicali', 'Monterrey', 'Michoacán', 'Nicaragua', 'Tijuan...
asked by 21.06.2018 / 18:04
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how do I group this array in javascript

tengo esto: [ ["preegunta 1", "estudio 1", "proyecto 1"], ["preegunta 1", "estudio 1", "proyecto 1"], ["preegunta 1", "estudio 1", "proyecto 1"], ["pregunta 2", "estudio 2", "proyecto 2"], ["pregunta 2", "estudio 2", "proy...
asked by 15.06.2018 / 00:50
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There is no element taken by querySelector

When I execute the following code, it does not call textContent because it tells me that 'myTitle' does not exist. var miTitulo=document.querySelector("h1"); var miBoton=document.querySelector("button"); console.log(miTitulo); functio...
asked by 16.06.2018 / 07:09
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How to deploy a nav-bar dropdown bootstrap 4

Hi, I wanted to know how I can leave this dropdown menu open, which is done in bootrstrap 4. .categoria-prod #collapsingNavbar .dropdown .dropdown-menu{ position: absolute; transform: translate3d(0px, 41px, 0px); top: -43px!impo...
asked by 14.06.2018 / 19:31
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How to make a purchase matrix in DQL or MYSQL

I would like to create a matrix with two tables in sql in the following way: I have a table that contains the data: id | name 00 | Form 0 01 | Form 1 02 | Form 2 03 | Form 3 04 | Form 4 another table: id | name 00 | person...
asked by 09.07.2018 / 05:52
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This syntax is valid in jquery?

I have this code, so in javascript there should be a return true and return false, but in this statement there is only one false return, the return true is implicit? if (_form.find ('# name'). val () === '') {             _form.find ('# name'...
asked by 25.08.2018 / 14:19
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Replace Eval function

I have to replace in a JEE application (I did not create it myself) all occurrences of the eval() function. The reason is given after carrying out an analysis of the code through a solution for measuring the quality and security of the so...
asked by 12.07.2018 / 08:04
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How to put an id to a tr if it does not have an id?

(I'm not sure what title to put in the question if someone has a better one please let me know) Good afternoon what I want to do is put a different id to all the tr that do not have one. E could insert ID to the tr of the table but it puts...
asked by 12.07.2018 / 17:34
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Ionic dependencies not installed how to install everything at once

I need to know if someone knows how to install everything at once, or I have to do it one by one. npm WARN @angular/[email protected] requires a peer of @angular/[email protected] but none is installed. You must install peer dependencies yourself. npm...
asked by 01.06.2018 / 04:22
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Maintain hover effect when selected

I have a problem to keep the effect hover , I look for when clicking that the image maintains the hover effect, and if I select the other image the effect of the first image is removed, and the second image maintains its hover effect . Tha...
asked by 06.06.2018 / 16:54