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중첩없이 랜덤수 뽑아내기

· 2014-08-01 (금) 01:02:12 · 3844
<script> 
function setRand(min,max,number) { 
    randResult = new Array(); 
    randList = new Array(); 
    for(i = min; i <= max; i++) { 
randList.push(i); 
    } 

    for(i = 0; i < number; i++) { 
getRand(); 
    } 
    alert(randResult); 
} 

function getRand() { 
    randNumber = Math.floor(Math.random() * randList.length); 
    randResult.push(randList[randNumber]); 
    randList.splice(randNumber,1); 
} 

//Min, Max, Number 
setRand(7,10,3); 
</script> 

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