javascript对象小结

　　距离某天还有天

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 
<html xmlns="http://www.w3.org/1999/xhtml"> 
<head> 
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> 
<title>javascript对象</title> 
<img src="/_New/_cj/myeditor/sysimage/space.gif" class="ewebeditor__script" _ewebeditor_fake_tag="script" _ewebeditor_fake_value="%3Cscript%20language%3D%22javascript%22%20type%3D%22text%2Fjavascript%22%3E%20%0D%0A%0D%0Avar%20regExp%3D%2F%5Cs%5C*%2Fg%3B%20%0D%0A%2F*---------------string%E5%AF%B9%E8%B1%A1------------------*%2F%20%0D%0Avar%20str%3D%22this%20*is%20*test%20*string%22%3B%20%0D%0Avar%20sTxt%3Dstr.charAt(3)%3B%20%0D%0Avar%20aTxt%3Dstr.charCodeAt(3)%3B%20%0D%0Avar%20btxt%3Dstr.indexOf(%22s%22)%3B%20%0D%0Avar%20cTxt%3Dstr.slice(0%2C4)%3B%20%0D%0Avar%20dTxt%3Dstr.split(%22%20%22)%3B%20%0D%0Avar%20subTxt%3Dstr.substr(0%2C4)%3B%20%0D%0Avar%20regTxt%3Dstr.match(regExp)%3B%20%0D%0Avar%20regSearchTxt%3Dstr.search(regExp)%3B%20%0D%0Adocument.writeln(%22%E5%8E%9F%E5%A7%8B%E5%AD%97%E7%AC%A6%E4%B8%B2%EF%BC%9A%22%2Bstr%2B%22%3Cbr%3E%22)%3B%20%0D%0Adocument.writeln(%22charAt(3)%2C%E8%BF%94%E5%9B%9E%E7%B4%A2%E5%BC%95%E5%AD%97%E7%AC%A6%EF%BC%9A%22%2BsTxt%2B%22%3Cbr%3E%22)%3B%20%0D%0Adocument.writeln(%22charCodeAt(3)%2C%E8%BF%94%E5%9B%9Eunicode%E5%AD%97%E7%AC%A6%E4%BB%A3%E7%A0%81%EF%BC%9A%22%2BaTxt%2B%22%3Cbr%3E%22)%3B%20%0D%0Adocument.writeln(%22indexOf%2C%E8%BF%94%E5%9B%9E%E6%8C%87%E5%AE%9A%E5%AD%97%E7%AC%A6%E7%B4%A2%E5%BC%95%22%2Bbtxt%2B%22%3Cbr%3E%22)%3B%20%0D%0Adocument.writeln(%22slice(0%2C4)%2C%E8%BF%94%E5%9B%9E0%EF%BC%8C4%E4%B9%8B%E9%97%B4%E7%9A%84%E5%AD%97%E7%AC%A6%3A%22%2BcTxt%2B%22%3Cbr%3E%22)%3B%20%0D%0Adocument.writeln(%22split('%20')%2C%E4%BB%A5%E7%A9%BA%E6%A0%BC%E6%88%AA%E5%8F%96%E5%AD%97%E7%AC%A6%E6%88%90%E6%95%B0%E7%BB%84%EF%BC%9A%22%2BdTxt%2B%22%3Cbr%3E%22)%3B%20%0D%0Adocument.writeln(%22substr(0%2C4)%2C%E6%88%AA%E5%8F%96%E4%B8%A4%E4%B8%AA%E7%B4%A2%E5%BC%95%E4%B9%8B%E9%97%B4%E7%9A%84%E5%AD%97%E7%AC%A6%EF%BC%9A%22%2BsubTxt%2B%22%3Cbr%3E%22)%3B%20%0D%0Adocument.writeln(%22match%2C%E8%BF%94%E5%9B%9E%E5%8C%B9%E9%85%8D%E7%9A%84%E5%AD%97%E7%AC%A6%E4%B8%B2%EF%BC%9A%22%2BregTxt%2B%22%3Cbr%3E%22)%3B%20%0D%0Adocument.writeln(%22search%2C%E8%BF%94%E5%9B%9E%E5%8C%B9%E9%85%8D%E7%9A%84%E5%AD%97%E7%AC%A6%E4%B8%B2%E7%9A%84%E4%BE%BF%E5%AE%9C%E4%BD%8D%E7%BD%AE%EF%BC%9A%22%2BregSearchTxt%2B%22%3Cbr%3E%22)%3B%20%0D%0A%0D%0A%2F*-----------------%E6%AD%A3%E5%88%99%E8%A1%A8%E8%BE%BE%E5%BC%8F---------------*%2F%20%0D%0A%2F%2Ftest%20%0D%0Avar%20result_tst%3DregExp.test(str)%3B%20%0D%0Adocument.writeln(%22regExp.test(str)%2C%E8%BF%94%E5%9B%9E%E6%98%AF%E5%90%A6%E5%8C%B9%E9%85%8D%EF%BC%9A%22%2Bresult_tst%2B%22%3Cbr%3E%22)%3B%20%0D%0A%2F%2Fexec%20%0D%0Avar%20result_exec%3DregExp.exec(str)%3B%20%0D%0Adocument.writeln(%22%E8%BF%94%E5%9B%9E%E5%8C%B9%E9%85%8D%E7%9A%84%E5%86%85%E5%AE%B9%EF%BC%9A%22%2Bresult_exec%2B%22%3Cbr%3E%22)%3B%20%0D%0Avar%20result%3Dstr.replace(regExp%2C%22_%22)%3B%20%0D%0Adocument.writeln(%22%E8%BF%94%E5%9B%9E%E6%9B%BF%E6%8D%A2%E7%9A%84%E5%86%85%E5%AE%B9%EF%BC%9A%22%2Bresult%2B%22%3Cbr%3E%22)%3B%20%0D%0A%0D%0A%2F%2F%E5%8C%B9%E9%85%8D%E8%A7%84%E5%88%99%20%0D%0Avar%20reg2%3D%2F%3A%5Cs*%5Cw*%5Cs*%5B0-9%5D%2B%5Cs%5B0-9%5D%7B4%7D%2F%3B%20%0D%0Avar%20reg1%3D%2F%3A%5CD*%5Cs*%5Cd%2B%5Cs%5Cd%2B%2F%3B%20%0D%0Avar%20reg3%3D%2Fw*%40w%2B.w%2F%3B%20%0D%0Avar%20str2%3D%22this%20is%20a%20date%3A%20march%2012%202010%22%3B%20%0D%0Avar%20eTxt%3Dstr2.match(reg2)%3B%20%0D%0Adocument.writeln(eTxt%2B%22%3Cbr%2F%20%3E%22)%3B%20%0D%0A%0D%0A%2F%2F*----------------Date%E5%AF%B9%E8%B1%A1--------------------*%2F%20%0D%0Avar%20now%3Dnew%20Date()%3B%20%0D%0Avar%20hours%3Dnow.getHours()%2B7*24%3B%20%0D%0Anow.setHours(hours)%3B%20%0D%0A%0D%0Adocument.write(%22%E4%B8%80%E4%B8%AA%E6%98%9F%E6%9C%9F%E5%90%8E%E6%98%AF%EF%BC%9A%22%2Bnow%2B%22%3Cbr%3E%22)%3B%20%0D%0Adocument.write(%22%E7%8E%B0%E5%9C%A8%E6%98%AF%22%2Bnow.getFullYear()%20%0D%0A%2B%22%E5%B9%B4%22%2B(now.getMonth()%2B1)%2B%22%E6%9C%88%22%2Bnow.getDate()%20%0D%0A%2B%22%E6%97%A5%22%2Bnow.getHours()%2B%22%E6%97%B6%22%2Bnow.getMinutes()%20%0D%0A%2B%22%E5%88%86%22%2Bnow.getSeconds()%2B%22%E7%A7%92%22%2B%22%3Cbr%3E%22)%3B%20%0D%0A%2F%2F%E8%AE%A1%E6%97%B6%E5%99%A8%20%0D%0Afunction%20countTime()%7B%20%0D%0Avar%20targetTime%20%3D%20new%20Date(2010%2C6%2C24%2C12%2C0%2C0%2C0)%3B%20%0D%0Avar%20nowTime%20%3D%20new%20Date()%3B%20%0D%0A%2F%2F%E8%B7%9D%E7%A6%BB%E7%9B%AE%E6%A0%87%E6%97%B6%E9%97%B4%20%0D%0Avar%20distanTime%3DtargetTime.getTime()-nowTime.getTime()%3B%20%0D%0Adays%20%3D%20Math.floor(%20distanTime%20%2F%201000%20%2F%2060%20%2F%2060%20%2F%2024)%3B%20%0D%0Ahours%20%3D%20Math.floor(distanTime%2F%201000%20%2F%2060%20%2F%2060%20-%20(24%20*%20days))%3B%20%0D%0Aminutes%20%3D%20Math.floor(%20distanTime%2F1000%2F60-(24*60*days)-(60*hours))%3B%20%0D%0Aseconds%20%3DdistanTime%2F1000-(24*60*60*days)-(60*60*hours)-(60*minutes)%3B%20%0D%0AsecondsRound%20%3D%20Math.round(seconds)%3B%20%0D%0A%0D%0Adocument.getElementById(%22days%22).innerHTML%3D%22%3Cfont%20color%3Dred%3E%22%2Bdays%2B%22%3C%2Ffont%3E%22%3B%20%0D%0Adocument.getElementById(%22time%22).innerHTML%3Dhours%2B%22%3A%22%2Bminutes%2B%22%3A%22%2BsecondsRound%3B%20%0D%0A%7D%20%0D%0AsetInterval(%22countTime()%22%2C250)%3B%20%0D%0A%0D%0A%2F%2F%E6%95%B0%E7%BB%84%20%0D%0Avar%20firstArr%3Dnew%20Array(%22one%22%2C%22two%22%2C%22three%22)%3B%20%0D%0Avar%20secondArr%3D%5B%22one%22%2C%22two%22%2C%22three%22%5D%3B%20%0D%0Avar%20remove%3DfirstArr.slice(2%2C3)%3B%20%0D%0Avar%20splicArr%3DsecondArr.splice(1%2C1)%3B%20%0D%0Adocument.writeln(remove%2B%22%3Cbr%3E%22)%3B%20%0D%0Adocument.writeln(splicArr%2B%22%3Cbr%3E%22)%3B%20%0D%0A%0D%0A%2F%2F%E9%98%9F%E5%88%97%20%0D%0Avar%20fifoArr%3Dnew%20Array()%3B%20%0D%0AfifoArr.push(%22apple%22)%3B%20%0D%0AfifoArr.push(%22banana%22)%3B%20%0D%0Avar%20length%3DfifoArr.push(%22cherry%22)%3B%20%0D%0Adocument.writeln(%22%E6%95%B0%E7%BB%84%E7%9A%84%E9%95%BF%E5%BA%A6%E6%98%AF%EF%BC%9A%22%2Blength%2B%22%20%E6%95%B0%E7%BB%84%E5%86%85%E5%AE%B9%E6%98%AF%EF%BC%9A%22%2BfifoArr%2B%22%3Cbr%3E%22)%3B%20%0D%0AfifoArr.shift()%3B%20%0D%0Adocument.writeln(%22%E4%BD%BF%E7%94%A8shift%E5%91%BD%E4%BB%A4%E5%88%A0%E9%99%A4%E7%AC%AC%E4%B8%80%E4%B8%AA%E5%85%83%E7%B4%A0%EF%BC%9A%22%2BfifoArr%2B%22%3Cbr%3E%22)%3B%20%0D%0AfifoArr.unshift(%22addFruite%22)%3B%20%0D%0Adocument.writeln(%22%E4%BD%BF%E7%94%A8unshift%E5%91%BD%E4%BB%A4%E5%A2%9E%E5%8A%A0%E7%AC%AC%E4%B8%80%E4%B8%AA%E5%85%83%E7%B4%A0%EF%BC%9A%22%2BfifoArr%2B%22%3Cbr%3E%22)%3B%20%0D%0AfifoArr.pop()%3B%20%0D%0Adocument.writeln(%22%E4%BD%BF%E7%94%A8pop%E5%91%BD%E4%BB%A4%E6%9C%80%E5%90%8E%E4%B8%80%E4%B8%AA%E5%85%83%E7%B4%A0%EF%BC%9A%22%2BfifoArr%2B%22%3Cbr%3E%22)%3B%20%0D%0A%3C%2Fscript%3E"> 
</head>

<body> 
距离某天还有天 
</body> 
</html>

　　 [Ctrl+A 全选注:如需引入外部Js需刷新才能执行]

教程首页更多教程