jQuery animate()
line Height
<!DOCTYPE html> <html> <head> <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js"> </script>//from ww w . ja v a 2 s .c o m <script> $(document).ready(function(){ $(".btn1").click(function(){ $("p").animate({lineHeight: "+=1em"}); }); $(".btn2").click(function(){ $("p").animate({lineHeight: "-=1em"}); }); }); </script> </head> <body> <button class="btn1">Animate +</button> <button class="btn2">Animate -</button> <p style="line-height:1em;">This is a paragraph. This is some more text. This is some more text. This is some more text. This is some more text. This is some more text. This is some more text. This is some more text. This is some more text. This is some more text. This is some more text. This is some more text. This is some more text. This is some more text.</p> </body> </html>