JavaStrings methods

reverseWords

function StringUtil() {
 
    this.reverseWords = function(str) {
        var result = "";
        var wordArray = str.split(" ");
        for(var i = wordArray.length - 1; i >= 0; i--) {
            result += wordArray[i] + " ";
        }
        return result.trim();
    }
 
}

splitStr

String.prototype.splitStr = function(delimiter) {
    var stringArray = [];
    var tempStr = "";
    for(var i = 0; i < this.length; i++) {
        if(this.charAt(i) === delimiter) {
            stringArray.push(tempStr);
            tempStr = "";
        } else {
            tempStr += this.charAt(i);
        }
    }
    if(tempStr !== "") {
        stringArray.push(tempStr);
    }
    return stringArray;