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HTML DOM length Property
The HTML DOM length property returns a number corresponding to the nodes in node list object.
Syntax
Following is the syntax −
Returning number of nodes in nodeList Object.
nodeList.length
Example
Let us see an example for HTML DOM length property −
<!DOCTYPE html> <html> <head> <title>HTML DOM length</title> <style> form { width:70%; margin: 0 auto; text-align: center; } * { padding: 2px; margin:5px; } input[type="button"] { border-radius: 10px; } ul{ width: 30%; margin: 0 auto; } </style> </head> <body> <form> <fieldset> <legend>HTML-DOM-length</legend> <h3>Students</h3> <ul> <li>Adam</li> <li>Alex</li> <li>Bina</li> <li>Eden</li> <li>Rajesh</li> <li>Zampa</li> </ul> <input type="button" onclick="getStrength()" value="Get Total Students"> <div id="divDisplay"></div> </fieldset> </form> <script> var divDisplay = document.getElementById("divDisplay"); var studentList = document.getElementsByTagName("li"); function getStrength() { divDisplay.textContent = 'Total Students: '+studentList.length; } </script> </body> </html> Output
This will produce the following output −
Before clicking ‘Get Total Students’ button −
After clicking ‘Get Total Students’ button −
Updated on: 2019-07-30T22:30:26+05:30
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