***** Programmes Simples En JavaScript *****

HelloWo1.HTM Writ2x2.HTM
HelloWo5.HTM WritCalc.HTM Chr20_FF.HTM
HelloWo9.HTM WritMsg.HTM PrimeNb.HTM


<SCRIPT> document.write ( 'Hello World...' ); </SCRIPT> <SCRIPT> document.writeln ( 'Hello World.....' + '<BR>' ); document.writeln ( 'Hello World.....' + '<BR>' ); document.writeln ( 'Hello World.....' + '<BR>' ); document.writeln ( 'Hello World.....' + '<BR>' ); document.writeln ( 'Hello World.....' + '<BR>' ); </SCRIPT> <SCRIPT> var i ; //----- LOOP for ( i = 1 ; i <= 9 ; i++ ) { document.writeln ( 'Hello World.........' + '<BR>' ); } </SCRIPT>
<SCRIPT> document.writeln ( 2 + 2 ); </SCRIPT> <SCRIPT> var R ; var C , A ; R = 10 ; C = 2 * Math.PI * R ; A = Math.PI * R * R ; document.writeln ( 'Radius=' , R , '<BR>' ); document.writeln ( 'Circumference=' , C , '<BR>' ); document.writeln ( 'Area=' , A , '<BR>' ); </SCRIPT> <SCRIPT> var MyMsg ; MyMsg = '- Nice weather, isn\'t it ?' + '\r\n' + '- Yes "nice" weather.' + '\r\n' ; document.write ( MyMsg.replace( /\r\n/g , '<BR>\r\n') ); </SCRIPT>
<SCRIPT> var i ; document.write ( '***** CHARS: ' ); //----- LOOP for ( i = 32 ; i <= 255 ; i++ ) { document.write ( String.fromCharCode(i) ); } </SCRIPT> <SCRIPT> var IsPrimeArray = new Array(1000); var i ; var j , jMax ; document.write ( '***** PRIME NUMBERS: ' ); //----- LOOP 1 , On each number for ( i = 1 ; i <= 1000 ; i++ ) { //----- Could be a prime number IsPrimeArray[i] = true ; //----- LOOP 2 , Search a divisor j = 2 ; jMax = Math.floor ( i / 2 ); while ( IsPrimeArray[i] && (j <= jMax) ) { //----- "j" can divide "i" ? if ( (i % j) == 0 ) IsPrimeArray[i] = false ; j++ ; } //----- Display only prime numbers if (IsPrimeArray[i] == true) document.write ( i , ' ' ); } /* [<-- i -->] [<-- j -->] .#.....................#.........................# | | | 2 i div 2 1000 */ </SCRIPT>