天空飘来五个字

html

<p id="content" style="font-size:25px;height:25px;letter-spacing:5px;padding:10px 20px;background-color:#0aa;">天空飘来五个字，那都不是事！</p>

js with jQuery

// 小效果，天空飘来五个字

var showWordOneByOne = function (target) {



    var text = target.text(),

        arrStr = text.split("");            

        tId = null

        word = "";



    target.text("");



    tId = setTimeout(function setWord() {



        word = arrStr.shift();



        target.append(word);



        if (arrStr.length > 0) {

            tId = setTimeout(setWord, 200);

        }

    }, 700);

};



showWordOneByOne($("#content"));