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JavaScript Practice Questions And Answer

Problem: Write a program to find first occurrence of a character in a given string.
Solution:

            <html>
             <head>
              <script>
                function demo1()
                 {
                   var str = document.getElementById("input1").value
                    for (i=0;i<str.length;i++)
                  {
                    let ch = str[i]
                     if(ch == 'e')
                    {
                      document.write(" e found at pos :"+ i)
                      break;
                    }
                     if(i == (str.length-1))
                     {
                      document.write("e char not found")
                     }
                  }
              }
         </script>
            </head>
            <body>
                <input type= "text" id="input1" placeholder="enter data"/>
                <br><br>
                <input type="button" value="Go" onclick="demo1()"/><br>
            </body>
        </html>

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