Questions tagged as 'javascript'

Tagged questions
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Does it formulate to detect the exact percentage formula that represents a number among a determined total?

I need to find the mathematical formula to find a given percentage number, in the following I leave the code that runs the numbers from 1 to 1000 and determines the number of increasing, decreasing and mixed numbers example 146 is increasing, 95...
asked by 23.11.2018 / 04:45
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How to send a very large string to the php server with javascript asynchronously

How can I send large strings to the server? I would like to read a table with enough data, take the html and send it to the server. How can I do that?     
asked by 23.11.2018 / 20:24
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Validate various inputs

I have the following question: for example in my order form I want to do this: I have an input where I enter the amount of services eg 1,2,3,4 etc. in another the price and through another would like to set the tax and in another show the price...
asked by 25.11.2018 / 12:27
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At the time of executing this command - composer require barryvdh / laravel-dompdf en laravel 5.6 I get the following

Could you help me please, what should I do with this error?     
asked by 28.11.2018 / 08:36
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View information from a json with angular

I have a json created with information that I want to visualize on the page with the use of {{}} and to do this I use the Http module and a service, but for this I have to add in the header constructor and the footer (which is where I want to vi...
asked by 06.12.2017 / 02:20
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How to modify a global variable from a Scroll function?

Friends, I would like you to help me by guiding me, I need to modify a global variable at the moment of scrolling, to load data through Ajax. The code that I wrote works the first time when the scroll reaches the end of the page, but then whe...
asked by 09.11.2017 / 18:12
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Selecting checkbox and saved

If I have a checkbox that marks all the checkboxes by default, however, it does not mark the one of the other windows, that is, the tab 1 are all selected, but the others are not. At the time of saving, it does not validate the data that w...
asked by 09.11.2017 / 15:48
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I have a problem or Error with JSON

Good afternoon I have a problem with JSON and I do not know how to correct I call the function in this way function mostrar(idgrado){ $.post("../ajax/grados.php?op=mostrar",{idgrado:idgrado}, fun‌​ction(data,status){ data= JSON.par...
asked by 13.11.2017 / 18:34
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Difference when returning the value?

What is the difference between doing: function b() { return function(){return b();} } versus: function b() { return b(); } Is it the same or does it have advantages? I've seen it in many recursive functions.     
asked by 10.11.2017 / 22:02
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Optimize load of pages MVC 5

Cordial greeting, how can it be optimized so that javascript files like jquery and other libraries common to the whole solution so that they do not recharge each time you navigate between views?. As can be seen in the image, the download time...
asked by 06.08.2018 / 14:26