Swap Variables in JavaScript – Example
In simple words swapping means interchange the values. Here is a simple example which swap the values in variables a,b and the result of the function is given after code.
<html> <head> <script language="javascript"> function showSwap() { var a,b,c; a=10; b=20; document.write("Before Swapping"); document.write("<br>"); document.write("a="+a); document.write("<br>"); document.write("b="+b); document.write("<br><br><br>"); c=a; a=b; b=c; document.write("After Swapping"); document.write("<br>"); document.write("a="+a); document.write("<br>"); document.write("b="+b); } </script> </head> <body> <script language="javascript"> showSwap(); </script> </body> </html> |
Output Will be
Before Swapping
a=10
b=20
After Swapping
a=20
b=10