What is the scope of variables in javascript? Do they have the same scope inside as opposed to outside a function? Or does it even matter? Also, where are the variables stored if they are defined globally?...
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I'm trying to browse through a picture gallery with jquery, so I have a button which is supposed to increment a variable by 1 and then use that to load the next picture.  Using the top answer on this SO question, I thought this would be the solut...
I've attached an animated gif to illustrate this weird behavior. Essentially, my question is does Chrome console treat var and let differently when used in the same scope? You'll notice that after declaring / assigning a variable, if you try...
Many thanks in advance.  I'm working out of a schoolbook and they're using one function to call another which opens a window:  function rtest(){    content='dans window';    oneWindow=open("","Window 1","width=450,...
Why does this code alerts same thing (1,2,3,4) twice??  var arr = [1,2,3]; var new_arr = arr; new_arr[new_arr.length] = 4; alert(new_arr); alert(arr);...
I have digital information written as Javascript variables by PHP into a .txt-File. This information gets changed by a user at a different interval.  var ISTUHSXDATE8 = '21.1.2018'; var ISTUHSXTIME8 = '20:11'; var ISTUHSXROT8 = 0; var...
I met this issue sometimes but still don't know what causes it.  I have this script in the page:  $(function(){     var value = "10"; });   But the browser says "ReferenceError: value is not defined". However if I go to the browse...

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