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JavaScript 中repalce的使用

把Paul Pauline pual Paula Paul中的Paul替换成Ringo

 1 <!DOCTYPE html>
 2 <html>
 3 
 4 <body>
 5 
 6 
 7 <button onclick="myFunction()">Try it</button>
 8 
 9 <p id="demo">Paul,Paula,paul,Pauline,Paul</p>
10 
11 <script>
12 function myFunction() {
13     var str = document.getElementById("demo").innerHTML; 
14     var txt = str.replace(/\bPaul\b/g,"Ringo");
15     document.getElementById("demo").innerHTML = txt;
16 }
17 </script>
18 
19 </body>
20 </html>

 

posted on 2018-10-23 20:29  西瓜瓜瓜  阅读(127)  评论(0)  编辑  收藏  举报