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Found 3 results

  1. iwato

    A Matter of Scope

    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 search_letter_input in the success function of the $.ajax( ) method. Is this possible? Roddy
  2. 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 aquí</div> <div ngf-no-file-drop>File Drag/Drop is not supported for this browser</div> <br> <div class="preview"> <div>Detalles del video: <div style="clear:both" class="videodetails" ng-repeat="file in files"> <div class="form-group"> <label class="col-md-4 control-label" for="fileName">{{ "Nombre" }}</label> <div class="col-md-5"> <input id="fileName" type="text" ng-model="file.name" disabled> </div> </div> <div class="form-group"> <label class="col-md-4 control-label" for="fileSize">{{ "Tamaño" }}</label> <div class="col-md-5"> <input id="fileSize" type="text" ng-model="file.size" disabled> </div> </div> <div class="form-group"> <label class="col-md-4 control-label" for="fileType">{{ "Tipo" }}</label> <div class="col-md-5"> <input id="fileType" type="text" ng-model="file.type" disabled> </div> </div> JavaScript: $scope.file = function (data) { $scope.file.fileName = data.name; $scope.file.fileSize = data.size; $scope.file.fileType = data.type; } I don't know what I'm doing wrong. Any help? Does anybody know to fix it? Thank you very much!
  3. 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 "undefined" id) which is the window object, but I don't understand why "this" is not referring to the "<p>" element at all. Any tips and hints are greatly appreciated brothers(Please take it easy on me if I sound dumb, I just started teaching myself JS a couple weeks ago or so, so) Thank you very much guys. <!DOCTYPE html><html><head><script>function myFunction(){ alert(this.id);}</script></head><body><p id = "myPa" onclick="myFunction()">This is a paragraph. This is a paragraph. This is a paragraph. This is a paragraph.</p></body></html>
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