JavaScript Tutorial/Statement/Timing
Timing statement
<source lang="javascript">
<html> <head> <title>Example</title> </head> <body> <script type="text/javascript"> function StringBuffer() {
this.__strings__ = new Array;
} StringBuffer.prototype.append = function (str) {
this.__strings__.push(str);
}; StringBuffer.prototype.toString = function () {
return this.__strings__.join("");
}; var buffer = new StringBuffer(); var d1 = new Date(); for (var i=0; i < 10000; i++) {
buffer.append("text");
} var result = buffer.toString(); var d2 = new Date(); document.write("Concatenation with StringBuffer: " + (d2.getTime() - d1.getTime()) + " milliseconds"); </script> </body> </html></source>
