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5 files changed +278
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+ <!DOCTYPE html>
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+ < html >
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+
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+ < head >
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+ < title > number method</ title >
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+ </ head >
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+
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+ < body >
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+
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+ < h1 > number method </ h1 >
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+ < input type ="text " name ="num " id ="num2 " />
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+ < button onclick ="demo2() "> Click </ button >
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+
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+ < script >
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+
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+ let number = 1234.56789
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+
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+ function demo2 ( ) {
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+ let input = document . getElementById ( "num2" ) . value ;
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+ console . log ( typeof input ) ;
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+
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+ let converted = parseInt ( input ) ;
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+ console . log ( typeof converted ) ;
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+
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+ let fixed = number . toFixed ( 4 ) ;
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+ console . log ( fixed ) ;
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+
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+ let precised = number . toPrecision ( 4 ) ;
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+ console . log ( precised ) ;
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+
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+ if ( converted > 6 ) {
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+ console . log ( "number is valid" ) ;
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+ }
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+ else {
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+ console . log ( "number is invalid" ) ;
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+ }
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+
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+ switch ( new Date ( ) . getMinutes ( ) ) {
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+ case 51 : {
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+ console . log ( "minute is valid" ) ;
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+ }
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+ break ;
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+
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+ case 52 : {
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+ console . log ( "minute is valid" ) ;
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+ }
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+
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+ default : {
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+ console . log ( "minute is invalid" ) ;
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+ }
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+ }
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+
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+ }
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+ </ script >
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+ </ body >
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+
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+ </ html >
Original file line number Diff line number Diff line change
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+ <!DOCTYPE html>
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+ < html >
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+
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+ < head >
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+ < title > number method</ title >
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+ </ head >
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+
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+ < body >
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+
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+ < h1 > number method </ h1 >
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+ < input type ="text " name ="number " id ="num2 " />
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+ < button onclick ="demo() "> click</ button >
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+
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+ < script >
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+
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+ let number = 12345.7890
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+
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+ function demo ( ) {
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+ let input = document . getElementById ( "num2" ) . value ;
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+ console . log ( typeof input ) ;
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+
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+ let convert = parseInt ( input ) ;
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+ console . log ( typeof convert ) ;
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+
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+ let fixed = number . toFixed ( 5 ) ;
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+ console . log ( fixed ) ;
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+
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+ let precised = number . toPrecision ( 6 ) ;
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+ console . log ( precised ) ;
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+
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+ if ( convert > 6 ) {
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+ console . log ( "number is valid" ) ;
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+ } else {
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+ console . log ( "number is invalid" ) ;
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+ }
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+ switch ( new Date ( ) . getMinutes ( ) ) {
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+ case 51 : {
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+ console . log ( "minute is valid" ) ;
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+ }
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+ break ;
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+ case 52 : {
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+ console . log ( "minute is valid" ) ;
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+ }
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+ break ;
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+ case 53 : {
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+ console . log ( "minute is valid" ) ;
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+ }
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+ break ;
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+ case 54 : {
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+ console . log ( "minute is valid" ) ;
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+ }
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+ break ;
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+ default : {
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+ console . log ( "minute is invalid" )
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+ }
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+ }
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+
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+ }
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+ </ script >
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+ </ body >
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+
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+ </ html >
Original file line number Diff line number Diff line change
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+ <!DOCTYPE html>
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+ < html >
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+
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+ < head >
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+ < title > practice</ title >
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+ </ head >
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+
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+ < body >
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+
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+ < h1 > number method</ h1 >
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+ < input type ="text " id ="num1 " name ="text " />
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+ < button onclick ="demo2() "> click</ button >
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+ < script >
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+ let number = 123456.78901 ;
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+
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+ function demo2 ( ) {
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+
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+ let input = document . getElementById ( "num1" ) . value ;
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+ console . log ( typeof input ) ;
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+
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+ let fixed = number . toFixed ( 3 ) ;
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+ console . log ( fixed ) ;
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+
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+ let convert = parseInt ( input ) ;
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+ console . log ( typeof convert ) ;
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+
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+ let precised = number . toPrecision ( 6 ) ;
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+ console . log ( precised ) ;
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+
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+ if ( convert > 7 ) {
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+ console . log ( "number is valid" ) ;
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+ }
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+ else {
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+ console . log ( "number is invalid" )
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+ }
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+ switch ( new Date ( ) . getMinutes ( ) ) {
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+ case 1 : {
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+ console . log ( "minute is valid" ) ;
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+ }
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+ break ;
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+ case 2 : {
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+ console . log ( "minute is valid" ) ;
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+ }
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+ break ;
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+ case 3 : {
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+ console . log ( "minute is valid" ) ;
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+ }
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+ break ;
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+ case 4 : {
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+ console . log ( "minute is valid" ) ;
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+ }
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+ break ;
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+ default : {
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+ console . log ( "minute is invalid" ) ;
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+ }
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+
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+
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+ }
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+ }
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+ </ script >
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+ </ body >
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+
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+ </ html >
Original file line number Diff line number Diff line change
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+ <!DOCTYPE html>
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+ < html >
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+
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+ < head >
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+ < title > number method switch practice </ title >
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+ </ head >
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+
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+ < body >
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+
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+ < p id ="demo "> </ p >
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+
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+ < script >
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+ let month ;
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+ switch ( new Date ( ) . getMonth ( ) ) {
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+ case 0 :
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+ month = "january" ;
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+ break ;
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+ case 1 :
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+ month = " febuary" ;
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+ break ;
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+ case 2 :
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+ month = "march" ;
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+ break ;
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+ case 3 :
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+ month = "april" ;
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+ break ;
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+ case 4 :
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+ month = " may" ;
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+ break ;
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+ case 5 :
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+ month = " june" ;
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+ break ;
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+ case 6 :
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+ month = " july" ;
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+ break ;
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+ case 7 :
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+ month = " august" ;
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+ break ;
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+ case 8 :
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+ month = " september" ;
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+ break ;
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+ case 9 :
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+ month = " october" ;
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+ break ;
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+ case 10 :
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+ month = " november" ;
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+ break ;
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+ case 11 :
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+ month = " december" ;
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+ break ;
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+ }
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+ document . getElementById ( "demo" ) . innerHTML = "Today is" + month ;
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+
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+ </ script >
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+ </ body >
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+
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+ </ html >
Original file line number Diff line number Diff line change
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+ <!DOCTYPE html>
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+ < html >
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+
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+ < head >
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+ < title > switch practice</ title >
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+ </ head >
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+
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+ < body >
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+ < p id ="para1 "> </ p >
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+ < script >
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+ let day ;
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+ switch ( new Date ( ) . getDay ( ) ) {
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+ case 0 :
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+ day = "sunday" ;
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+ break ;
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+ case 1 :
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+ day = "monday" ;
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+ break ;
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+ case 2 :
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+ day = "tuesday" ;
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+ break ;
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+ case 3 :
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+ day = "wednesday" ;
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+ break ;
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+ case 4 :
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+ day = "thursday" ;
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+ break ;
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+ case 5 :
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+ day = "friday" ;
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+ break ;
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+ case 6 :
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+ day = "saturday" ;
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+ break ;
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+ }
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+ document . getElementById ( "para1" ) . innerHTML = "Today is " + day ;
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+ </ script >
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+ </ body >
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+
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+ </ html >
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