LED Blinking using 8051 Microcontroller and Keil C – AT89C51 #include<reg52.h> // special function register declarations // for the intended 8051 derivative sbit LED = P2^0; // Defining LED pin void Delay(void); // Function prototype declaration void main (void) { while(1) // infinite loop { LED = 0; // LED ON Delay(); LED = 1; // LED OFF Delay(); } } void Delay(void) { int j; int i; for(i=0;i<10;i++) { for(j=0;j<10000;j++) { } } }
Java Script to make text change text color Use this as js script var i = 0 ; function change () { var doc = document . getElementById ( "background" ); var color = [ "black" , "blue" , "brown" , "green" ]; doc . style . backgroundColor = color [ i ]; i = ( i + 1 ) % color . length ; } setInterval ( change , 1000 ); And This as HTML <div id = "background" >   </div>
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