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Found 4 results

  1. Hello, I started learning JavaScript this week and I've been mostly using the JavaScript tutorial. It's been great, thanks a lot to all the authors! However, unless I'm mistaken and still don't fully understand, there is some information that I think is wrong or misleading about variable scopes. It prevented me from understanding closures until I worked through other people's code about main loops and did some testing. On the Function Closures page, it says: "Local variables have short lives. They are created when the function is invoked, and deleted when the function is
  2. GENERAL QUESTION: Can variables created outside of a function be used within a function without having to read them first as arguments of the function? If so, can a function created within a function use a variable created outside of both functions? CODE var dataString = 'search_input=' + search_letter_input; $.ajax({ type: "POST", url: './...', data: dataString, dataType: 'JSON', statusCode: { 404: function() { alert( "Page not found" ); }}, success: function(jsonData) {...} }); SPECIFIC QUESTION: I would like to use the value of the variable
  3. Hello everybody, I'm new in angular so sorry if my question is ridiculous. I have a drag and drop file area and when I put a file I put his details (attributes: name, size, type) on inputs disabled because I don't want that users can change them. All of that is a form, so I want to save this with angular in scopes. Here my code: <div ngf-drop ngf-select ng-model="files" class="drop-box" ngf-drag-over-class="'dragover'" ngf-multiple="true" ngf-allow-dir="true" accept="{{acceptSelect}}" ngf-pattern="pattern" required>Arrastre y suelte su archivo aquĆ­</div> <div ng
  4. Hi guys, I just have a dumb question but looks like I can't find the answer anywhere at all. What is a global function? specifically, how do I determine the scope of a function? I know the definition of the variable scope, but function scope, I don't, hope you guys could clarify this for me. One more thing. I have this code down below about the "this" keyword. Doesn't the "this" keyword refer to the element that triggers the event? if so, why it pops up "undefined" when I click on the paragraph? I'm pretty positive "this" in my case is bound to a global variable(that's why it gives me an "
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