JavaScript | padEnd() Method - GeeksforGeeks

18 Nov, 2019
The padEnd() method in JavaScript is used to pad a string with another string until it reaches the given length. The padding is applied from the right end of the string.
Syntax:
string.padEnd( targetLength, padString )
Parameters: This method accepts two parameters as mentioned above and described below:
targetLength: It is the length of the final string once the original string has been padded. If the value is less than the original string length, then the original string is returned.
padString: It is the string that is to be padded with the original string. If this value is too long to be within the targetLength, it is truncated.
Return Value: It returns the final string that is padded with the given string of the given length.
Example 1: This example uses padEnd() method to pad strings into another string.
<!DOCTYPE html><html>  <head>    <title>        JavaScript | padEnd() method    </title></head>  <body>    <h1 style="color: green">        GeeksforGeeks    </h1>          <b>        JavaScript | padEnd() method    </b>          <p>        Output for "Hello" with "$":         <span class="output"></span>    </p>          <p>        Output for "Geeks" with "Geeks":         <span class="output2"></span>    </p>          <button onclick="padStrings()">        Pad Strings    </button>          <script type="text/javascript">                  function padStrings() {            exString = "Hello";            exString2 = "Geeks";                      output =                 exString.padEnd(12, "$");            output2 =                 exString2.padEnd(12, "Geeks");                      document.querySelector('.output').textContent                    = output;                          document.querySelector('.output2').textContent                    = output2;        }    </script></body>  </html>
Output:
Before clicking the button:
After clicking the button:
Example 2: This example uses padEnd() method to pad numbers into the another number.
<!DOCTYPE html><html>  <head>    <title>        JavaScript | padEnd() method    </title></head>  <body>    <h1 style="color: green">        GeeksforGeeks    </h1>          <b>        JavaScript | padEnd() method    </b>          <p>        Output for "1234" with "0":         <span class="output"></span>    </p>          <p>        Output for "99" with "**":         <span class="output2"></span>    </p>          <button onclick="padNumbers()">        Pad Numbers    </button>          <script type="text/javascript">        function padNumbers() {            exNumber = 1234;            exNumber2 = 99;                      output =                 String(exNumber).padEnd(8, "0");                              output2 =                 String(exNumber2).padEnd(8, "**");                                        document.querySelector('.output').textContent                    = output;                          document.querySelector('.output2').textContent                    = output2;        }    </script></body>  </html>
Output:
Before clicking the button:
After clicking the button:
Supported Browsers: The browser supported by padEnd() method are listed below:
Google Chrome 57
Firefox 48
Edge 15
Safari 10
Opera 44
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