Posts by EvandroPH • 37 points

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  Q: SELECT2 is not returning pre-selected item value

  When changing a Select2 option, it is returning all the data correctly, but when I go back to the previous option (which was already selected), it is not searching the values correctly. Exemplifying…

  php javascript jquery ajax jquery-select2

  asked 3 years, 8 months ago EvandroPH 37

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  Q: Rendering problem with html2canvas

  I integrated my system to generate an image from a certain table. But every time I click on "Generate Image" a different image appears (images below, the first one is correct, as it should always…

  php javascript html2canvas

  asked 3 years, 8 months ago EvandroPH 37

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  Q: Use variables to define an object or not?

  Recently watching some tutorials, I see programmers omitting the variables in code block. I don’t know what this practice is called, but I wonder if it is recommended, what are the advantages and…

  php classes variables objects

  asked 3 years, 9 months ago EvandroPH 37

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  Q: What is the difference between "javascript:void(0)" and only "void(0)" when defining onclick in HTML?

  When using Phpstorm, I noticed a Warning pointing to the code where I did onclick="javascript:void(0)", recommending that you leave only onclick="void(0)". Is this a good and valid practice? I found…

  javascript onclick

  asked 3 years, 9 months ago EvandroPH 37

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  Q: Compare repeat values on five variables at the same time

  I would like a little help. I have a small web form where people should select 5 options in HTML SELECT fields. When submitting the form, I have to check if any of the filled out (it is optional to…

  php

  asked 3 years, 10 months ago EvandroPH 37