HTML | DOM Input URL pattern Property - GeeksforGeeks

17 Oct, 2019
The DOM Input URL pattern Property in HTML DOM is used to set or return the pattern attribute of a URL field. It is used to specify the regular expression on which the input elements value is checked. Use the global title attribute to describe the pattern for helping the user.
Syntax:
It returns the Input url pattern property.urlObject.pattern
urlObject.pattern
It is used to set Input url pattern property.urlObject.pattern = regexpProperty Values: It contains single value regexp which is used to specify the regular expression that a URL field value is checked against.Return Value: It returns a string value which represents the regular expression that a URL field value is checked against.Example-1: This example illustrates how to return the Input url pattern property.<!DOCTYPE html><html>  <head>    <title>        DOM Input URL pattern Property    </title></head>  <body>    <center>        <h1 style="color:green;">                 GeeksForGeeks             </h1>          <h2>          DOM Input URL pattern Property      </h2>          <label for="uname"                style="color:green">            <b>Enter URL</b>        </label>          <input type="url"               id="gfg"                placeholder="Enter URL"                size="20"               pattern="https?://.+"                title="Include http://">          <br>        <br>          <button type="button"                onclick="geeks()">            Click        </button>          <p id="GFG"            style="color:green;                  font-size:25px;">      </p>          <script>            function geeks() {                                var link =                     document.getElementById(                      "gfg").pattern;                                document.getElementById(                  "GFG").innerHTML = link;            }        </script>    </center></body>  </html>Output:Before Clicking On Button:After Clicking On Button:Example-2: This Example illustrates how to set the Property.<!DOCTYPE html><html>  <head>    <title>        DOM Input URL pattern Property    </title></head>  <body>    <center>        <h1 style="color:green;">                 GeeksForGeeks             </h1>          <h2>          DOM Input URL pattern Property      </h2>          <label for="uname"                style="color:green">            <b>Enter URL</b>        </label>          <input type="url"               id="gfg"                placeholder="Enter URL"               size="20"               pattern="https?://.+"               title="Include http://">          <br>        <br>          <button type="button"                 onclick="geeks()">            Click        </button>          <p id="GFG"           style="color:green;                      font-size:25px;">        </p>          <script>            function geeks() {                  var link =                    document.getElementById(                        "gfg").pattern =                    "URL must start with " +                    "http://www.facebook.com/";                  document.getElementById(                    "GFG").innerHTML = link;            }        </script>    </center></body>  </html>Output :Before Clicking On Button: :After Clicking On Button:Supported Browsers: The browser supported by DOM input URL pattern property are listed below:Google ChromeInternet Explorer 10.0 +FirefoxOperaSafariAttention reader! Don’t stop learning now. Get hold of all the important HTML concepts with the Web Design for Beginners | HTML  course.My Personal Notes
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urlObject.pattern = regexp
Property Values: It contains single value regexp which is used to specify the regular expression that a URL field value is checked against.
Return Value: It returns a string value which represents the regular expression that a URL field value is checked against.
Example-1: This example illustrates how to return the Input url pattern property.
<!DOCTYPE html><html>  <head>    <title>        DOM Input URL pattern Property    </title></head>  <body>    <center>        <h1 style="color:green;">                 GeeksForGeeks             </h1>          <h2>          DOM Input URL pattern Property      </h2>          <label for="uname"                style="color:green">            <b>Enter URL</b>        </label>          <input type="url"               id="gfg"                placeholder="Enter URL"                size="20"               pattern="https?://.+"                title="Include http://">          <br>        <br>          <button type="button"                onclick="geeks()">            Click        </button>          <p id="GFG"            style="color:green;                  font-size:25px;">      </p>          <script>            function geeks() {                                var link =                     document.getElementById(                      "gfg").pattern;                                document.getElementById(                  "GFG").innerHTML = link;            }        </script>    </center></body>  </html>
Output:Before Clicking On Button:
After Clicking On Button:
Example-2: This Example illustrates how to set the Property.
<!DOCTYPE html><html>  <head>    <title>        DOM Input URL pattern Property    </title></head>  <body>    <center>        <h1 style="color:green;">                 GeeksForGeeks             </h1>          <h2>          DOM Input URL pattern Property      </h2>          <label for="uname"                style="color:green">            <b>Enter URL</b>        </label>          <input type="url"               id="gfg"                placeholder="Enter URL"               size="20"               pattern="https?://.+"               title="Include http://">          <br>        <br>          <button type="button"                 onclick="geeks()">            Click        </button>          <p id="GFG"           style="color:green;                      font-size:25px;">        </p>          <script>            function geeks() {                  var link =                    document.getElementById(                        "gfg").pattern =                    "URL must start with " +                    "http://www.facebook.com/";                  document.getElementById(                    "GFG").innerHTML = link;            }        </script>    </center></body>  </html>
Output :Before Clicking On Button: :
After Clicking On Button:
Supported Browsers: The browser supported by DOM input URL pattern property are listed below:
Google Chrome
Internet Explorer 10.0 +
Firefox
Opera
Safari
Attention reader! Don’t stop learning now. Get hold of all the important HTML concepts with the Web Design for Beginners | HTML  course.
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