JavaScript 構文 条件分岐 繰返し

(let num=10; if(num==10){alert('max');}else if(num>5){alert('high');}else{alert('low');})

let num=10; if(num==10){alert('max');}else if(num>5){alert('high');}else{alert('low');}

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

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

(let n=0; while(n<10){console.log('No.'+(n+1));n++;})

let n=0; while(n<10){console.log('No.'+(n+1));n++;}

(let n=0; do{document.write(n+1,',');n++;}while(n<9);)

let n=0; do{document.write(n+1,',');n++;}while(n<9);

(for(let i=10;i>0;i--){ document.write(i+',');})

for(let i=10;i>0;i--){ document.write(i+',');}

(let box=['big','small','tiny']; for(let i in box){document.write(box[i],',')})

let box=['big','small','tiny']; for(let i in box){document.write(box[i],',')}

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

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

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

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

(let sign='yes'; (sign=='yes')?console.log('OK'):console.log('NO');)

let sign='yes'; (sign=='yes')?console.log('OK'):console.log('NO');