返回字符串的长度:
<html> <body> <script type = "text/javascript"> var txt = "Hello World!" Document.write (txt.length) </script> </body> </html>
为字符串添加样式:
<html> <body> <script type = "text/javaScript"> var txt = "Hello World!" document.write ("<p> ใหญ่:" + txt.big () + "</p>") document.write ("<p> เล็ก:" txt.small () + "</p>") "</p>") document.write ("<p> italic:" + txt.italics () + "</p>") document.write ("<p> กะพริบ:" + txt.blink () + "(ไม่ทำงานใน IE) </p>") txt.strike () + "</p>") document.write ("<p> fontcolor:" + txt.fontcolor ("สีแดง") + "</p>") document.write ("<p> fontsize:" + txt.fontsize (16) + " "</p>") document.write ("<p> uppercase:" + txt.touppercase () + "</p>") document.write ("<p> ตัวห้อย:" + txt.sub () + "</p>") เอกสาร. txt.link ("http://www.w3school.com.cn") + "</p>") </script> </body> </html>返回字符串中指定文本首次出现的位置 - ดัชนี () 方法:
<html> <body> <script type = "text/javascript"> var str = "Hello World!" document.write (str.indexof ("hello") + "<br />") document.write(str.indexof("world") + "<br/>") เอกสาร效果如下:
查找字符串中特定的字符, 若找到, 则返回该字符 - จับคู่ () 方法:
<html> <body> <script type = "text /javascript"> var str = "hello world!" document.write (str.match ("โลก") + "<br />") /> ") document.write (str.match (" World! ")) </script> </body> </html>效果如下:
替换字符串中的字符 - แทนที่ ():
<html> <body> <script type = "text/javascript"> var str = "เยี่ยมชม Microsoft!" document.write (str.replace (/microsoft/, "w3school")) </script> </body> </html>
效果如下:
以上这篇 JavaScript String (字符串) 对象的简单实例 (推荐) 就是小编分享给大家的全部内容了, 希望能给大家一个参考希望能给大家一个参考, 也希望大家多多支持武林网。