var toCapitalize = function (str){

            var aStr1 = str.split(" ");

            var aStr2 = [];

            for (var i=0; i<aStr1.length; i++){

                var capitalizeEle = aStr1[i].charAt(0).toUpperCase() + aStr1[i].slice(1);

                aStr2.push(capitalizeEle);

            }

            return aStr2.join(" ");

        }

    var str1 = "Your organization has made significant technology investments pport solutions can help you opportunities.";

    alert(toCapitalize(str1))

#foo{text-transform:capitalize}

var aCommonChar = function (a,b){

    var result = [],hashTable = {};
//1 历遍第一个参数字符串，删除掉重复的字符，放入结果hash表中。

    for (var i = 0; i < a.length; i++){

        var name1 = a.charAt(i);

        if (!hashTable[name1]){

            hashTable[name1] = 0;

        }

    }

//2  历遍第二个参数字符串，如果第二个字符串中有和上面hash中的键名相同的字符，则修改键值为1。

    for (var j=0; j<b.length; j++){

        var name2 = b.charAt(j);

        if (hashTable[name2] === 0){

            hashTable[name2] = 1;

        }

    }

//3 历遍hashTable，把键值为1的键名push进结果数组

    for (key in hashTable){

        if (hashTable.hasOwnProperty(key) && hashTable[key] === 1){

            result.push(key);

        }

    }

    return result;

} 

//test

var A = " The Hebrew word for “wonder” means, “a cause of astonishment.”  God’s dealings with the Psalmist David had been such that people noticed ";

var B = "The disciples were seen as a wonder unto many for basically they were unlearned and ignorant men - Act 4:13. Yet the Apostles felt they were being made a spectacle to the world, 1Co 4:9. ";

alert(aCommonChar(A,B))

    var sRGBToHex  = function (str){

        if (str.search(/rgb/i) === -1){//兼容ie6-8，它们的颜色值本身就是16进制的

            return str;

        }

        var result = "#";

        str = str.replace(/rgba?\((.*)\)/gi,"$1");

        aStr = str.split(",");

        for (var i=0; i<3; i++){//这里直接写了3，是因为标准浏览器的色彩值可能包含透明度信息，例如RGBA(0,255,30,0.5)

            var iColorAlpha = +aStr[i];

            if (iColorAlpha < 16){

                result += "0" + iColorAlpha.toString(16);

            }else{

            result += iColorAlpha.toString(16);

            }

        }

        return result;

    }