hash function script

hashFunction.js

var hash = function hashFunction( val ) {
    switch( typeof val ) {
    case "number":
        if( ( val | 0 ) === val ) {
            return val & 0x3fffffff;
        }
        return hashNumber( val );
    case "string":
        return hashString( val );
    case "boolean":
        return hashBoolean( val );
    default:
        return hashObject( val );
    }
};