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var message="楠楠的幸福小窝" //specifys the titlevar message=message+" " //gives a pause at the end,1 space=1 speed unit, here I used 10 spaces@150 each = 1.5seconds.i="0" //declares the variable and sets it to start at 0var temptitle="" //declares the variable and sets it to have no value yet.var speed="150" //the delay in milliseconds between lettersfunction titler(){if (!document.all&&!document.getElementById)returndocument.title=temptitle+message.charAt(i) //sets the initial titletemptitle=temptitle+message.charAt(i) //increases the title by one letteri++ //increments the counterif(i==message.length) //determines the end of the message{i="0" //resets the counter at the end of the messagetemptitle="" //resets the title to a blank value}setTimeout("titler()",speed) //Restarts. Remove line for no-repeat.}window.onload=titler