<!DOCTYPE html>
<html>
<body>
<h1>计算RDPI</h1>
<form id="ctrl">
<label>数组1，英文空格分割<input type="text" id="a_str" size="100"/></label><br />
<label>数组2，英文空格分割<input type="text" id="b_str" size="100"/></label><br />
<input type="button" id="submit" value="提交" />
<input type="reset" id="reset" value="重置" /><br />
<label>提示消息<input type="text" id="msg" readonly="ture" size="100" /></label>
</form>
<script>
var oSubmit = document.getElementById("submit");
var oMsg = document.getElementById("msg");
oSubmit.onclick = init;
function init(){
var oA = document.getElementById("a_str");
var oB = document.getElementById("b_str");
var a = oA.value.split(" ");
var b = oB.value.split(" ");
// var a = [1,2,3,4,5,6,8];
// var b = [2,3,4,5,6,7,9];
var sum_array = new Array();
var sum_num = 0;
for (var i = 0; i < a.length; i++){
for (var j = 0; j < b.length; j++){
if(a[i] != "" && b[j] != ""){
var tmp = (Math.abs(parseFloat(a[i])-parseFloat(b[j])))/(parseFloat(a[i])+parseFloat(b[j]));
sum_array.push (tmp);
sum_num += tmp;
console.log(tmp);
}
}
}
oMsg.value = "计算"+sum_array.length+"次，加和为"+sum_num;
}
</script>
</body>
</html>