JavaScript 構文 条件分岐 繰返し

(var score=100; if(score===100){alert('great');}else if(score>50){alert('pass');}else{alert('retest');})

var score=100; if(score===100){alert('great');}else if(score>50){alert('pass');}else{alert('retest');}

(var n=3;switch(n%2){case(0):alert('even');break;case(1):alert('odd');break;default:alert('?');break;})

var n=3;switch(n%2){case(0):alert('even');break;case(1):alert('odd');break;default:alert('?');break;}

(var n=0; while(n<5){console.log(n);n++;})

var n=0; while(n<5){console.log(n);n++;}

(var n=0; do{document.write(n);n++;}while(n<5);)

var n=0; do{document.write(n);n++;}while(n<5);

(for(var i=10;i>0;i--){ document.write(i);})

for(var i=10;i>0;i--){ document.write(i);}

(var obj={a:1,b:2,c:3}; for(var key in obj){console.log(obj[key])};)

var obj={a:1,b:2,c:3}; for(var key in obj){console.log(obj[key])};

(for(var i=0;i<10;i++){if(i==5){break;} document.write(i+1);})

for(var i=0;i<10;i++){if(i==5){break;} document.write(i+1);}

(for(var i=0;i<10;i++) {if(i%2==1){continue;}document.write(i);})

for(var i=0;i<10;i++) {if(i%2==1){continue;}document.write(i);}

(var color='blue'; (color=='blue')?console.log('GO'):console.log('STOP');)

var color='blue'; (color=='blue')?console.log('GO'):console.log('STOP');