Page 226 - Web_Application_v2.0_C12_Fb
P. 226

1.  The slice() Method: The slice() method extracts a section of a string and returns it as a new string, without
                 modifying the original string.
              Example 31: To demonstrate the use of slice method

                 <!DOCTYPE HTML>
                 <HTML>

                 <HEAD>
                 <TITLE>slice() Method</TITLE>
                 </HEAD>
                 <BODY>
                 <H2>The slice() Method</H2>
                 <P>The slice() method extracts a section of a string.</P>

                 <P id="demo1"></P>
                 <SCRIPT>
                 var text = "Hello, JavaScript!";
                 document.getElementById("demo1").innerHTML = text.slice(7, 17);
                 </SCRIPT>

                 </BODY>
                 </HTML>
              Output:
















              2.  The substring() Method: The substring() method extracts characters between two specified indices and
                 returns a new string.

              Example 32: To demonstrate the use of substring method
                 <!DOCTYPE HTML>

                 <HTML>
                 <HEAD>
                 <TITLE>substring() Method</TITLE>
                 </HEAD>

                 <BODY>
                 <H2>The substring() Method</H2>
                 <P>The substring() method extracts part of a string.</P>
                 <P id="demo1"></P>
                 <SCRIPT>

                 var text = "Hello, JavaScript!";
                224   Touchpad Web Applications (Ver. 2.0)-XII
   221   222   223   224   225   226   227   228   229   230   231