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jqueryajaxgetscript

Loading multiple scripts and initiate the plugin at the last load


I am loading multiple scripts of a plugin via get $.getScript, and I should only initiate the plugin after the last load of the script, but how can I know when the loop reaches the last one?

// load multiple files.
var scripts = [
    'mode/xml/xml.js',
    'mode/css/css.js',
    'mode/javascript/javascript.js'
];

alert(scripts.length); // 3

for(var i = 0; i < scripts.length; i++) 
{
    $.getScript(http_root+'global/views/javascripts/codemirror/original/'+scripts[i], function() {

        alert(i); // this will alert number 3 for 3 times.

        if(i == scripts.length) // this means that the plugin will be initiated 3 times.
        {
            var editor = CodeMirror.fromTextArea(document.getElementById("code_content_1"), { 
                mode: "text/html", 
                theme: "eclipse",
                lineNumbers: true
            });
        }
    });

    alert(i); // this will alert the number from 0 to 2.
}

any ideas?


Solution

  • Wrap call in closure so that variable i wont change on every iteration.

    for(var i = 0; i < scripts.length; i++) 
    {
      (function(i) {
          $.getScript(http_root+'global/views/javascripts/codemirror/original/'+scripts[i], function() {
    
          if(i + 1 == scripts.length)
          {
            var editor = CodeMirror.fromTextArea(document.getElementById("code_content_1"), { 
                mode: "text/html", 
                theme: "eclipse",
                lineNumbers: true
            });
          }
        });
      })(i);  
    }