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Dojo Pertanyaan dan Jawaban Wawancara

Question: Example on Progress Bar in Dojo framework.

Answer: The progress bar is a GUI (Graphical User Interface) that gives dynamic feedback on the progress of a long-running operation. The progress bar can be updated by calling the JavaScript functions. Which works best for long-running JavaScript operations or a series of JavaScript XHR calls to the server. Progress bar performs to multiple types of works such as: download or upload any files and representation of the progress in a percent format.

<html>

<head>

<title>Progress Bar Demo</title>

@import "../resources/dojo.css";

@import "../dijit/themes/tundra/tundra.css";

</style>

djConfig="parseOnLoad: true"></script>

dojo.require("dijit.ProgressBar");

dojo.require("dojo.parser");

function download(){

// Split up bar into 5% segments

numParts = Math.floor(100/5);

jsProgress.update({ maximum: numParts, progress:0 });

for (var i=0; i<=numParts; i++){

// This plays update({progress:0}) at 1nn milliseconds,

// update({progress:1}) at 2nn milliseconds, etc.

setTimeout("jsProgress.update({ progress: " + i + " })",(i+1)*100 +

Math.floor(Math.random()*100));

}

</script>

</head>

Progress Bar:

<div dojoType="dijit.ProgressBar" style="width:800px"

jsId="jsProgress" id="downloadProgress"></div>

</body>

</html>

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