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A:<input type="text" id="a" />
B:<input type="text" id="b" />
<input type="button" value=" 计 算 " onclick="js()" />
<input type="text" id="c" />
<script type="text/javascript">
function js(){
var a = document.getElementById("a").value;
var b = document.getElementById("b").value;
var c = a/b;
var harr = [ 1, 3, 6,10,15,21];
var narr = [100,97,94,91,88,85];
for (var i = 0; i < harr.length; i++)
if (c<=harr[i])
break;
document.getElementById("c").value = narr[i];
}
</script>
A:<input type="text" id="a" />
B:<input type="text" id="b" />
<input type="button" value=" 计 算 " onclick="js()" />
<input type="text" id="result" />
<script type="text/javascript">
function $(id){return document.getElementById(id);}
function js(){
var a = $("a").value;
var b = $("b").value;
var c = a/b;
var r = "";
if(c<=1){
r = 100;
}else if(c>1&&c<=3){
r = 97;
}else if(c>3&&c<=6){
r = 94;
}else if(c>6&&c<=10){
r = 93;
}else if(c>10&&c<=15){
r = 88;
}
$("result").value = r;
}
</script>