Cacher is the code snippet organizer for pro developers

rotate( array , times ) {
    if (times == 0) times = array.length - 1;
    while( times-- ){
        var temp = array.shift();
        array.push( temp )
    }
    if (this.tips.length)
        this.deleteElement();
}

similarity(s1, s2) {
    var longer = s1;
    var shorter = s2;
    if (s1.length < s2.length) {
        longer = s2;
        shorter = s1;
    }
    var longerLength = longer.length;
    if (longerLength == 0) {
        return 1.0;
    }
    return (longerLength - this.editDistance(longer, shorter)) / parseFloat(longerLength);
}

editDistance(s1, s2) {
    s1 = s1.toLowerCase();
    s2 = s2.toLowerCase();

    var costs = new Array();
    for (var i = 0; i <= s1.length; i++) {
        var lastValue = i;
        for (var j = 0; j <= s2.length; j++) {
            if (i == 0)
                costs[j] = j;
            else {
                if (j > 0) {
                    var newValue = costs[j - 1];
                    if (s1.charAt(i - 1) != s2.charAt(j - 1))
                        newValue = Math.min(Math.min(newValue, lastValue),
                    costs[j]) + 1;
                    costs[j - 1] = lastValue;
                    lastValue = newValue;
                }
            }
        }
        if (i > 0)
        costs[s2.length] = lastValue;
    }
    return costs[s2.length];
}

var _ajax = function(parms){
	var _success = parms.success;
	if (parms.data==undefined) parms.data = {};
	parms.data.nocache = _uniqueId();
	parms.success = function(data){
		if(data.status==-1) window.location.href = '/auth';
		else _success(data);
	}
	$.ajax(parms);
};