// Test the performance of integer multiplication by implementing a 16-bit // string hash. function stringHash(string) { // source: http://en.wikipedia.org/wiki/Java_hashCode()#Sample_implementations_of_the_java.lang.String_algorithm var h = 0; var len = string.length; for (var index = 0; index < len; index++) { h = (((31 * h) | 0) + string.charCodeAt(index)) | 0; } return h; } for (var i = 0; i < 10000; ++i) { var result = stringHash("The spirit is willing but the flesh is weak."); if (result != -723065856) throw "Bad result: " + result; }