[英]How can I reference an array index, parse it to an int, and then put a conditional statement on it in JavaScript?
我试图使这个条件语句工作一段时间。 如果我只是将数组索引写到页面,它将显示正确的值。 但是,如果我在代码中添加条件if,else if,else语句,则一无所获。
<html>
<head>
</head>
<body>
The database Header values are:<br />
<p id="headerValues"></p>
<br />
<br />
The array is:<br />
<div id="arrayDiv">12/1/2012,119,00119 - Henderson Dialysis Center,2325946.3,HD,4/17/2002,9/25/2000,51,4.2,1.67,Graft,9.6,7.6,251,Yes,Yes</div><br />
<br />
<br />
The second array is:<br />
<div id="arrayDiv2">12/1/2012,119,00119 - Henderson Dialysis Center,2884094,HD,10/25/2005,10/25/2005,51,4.10,1.99,Fistula,10.00,3.10,461.00,Yes,No</div><br />
<script>
var headerValues = ["MM/DD/YYYY","Facility No","FacilityNoName","Number","Modality Group","FDODD","FDODE","Age At EOM","Albumin Result","sp Kt V Result","Access Result","Calcium Result","Phosphorous Result","PTH Result","Influenza Vaccination Result","Pneumococcal Vaccination Result"];
var myTxt = document.getElementById('arrayDiv').innerHTML;
var myArr = myTxt.split(',');
var arrTxt = document.getElementById('arrayDiv2').innerHTML;
var myArr2 = arrTxt.split(',');
var albLevel = parseFloat(myArr[8]);
for (var i=0; i<headerValues.length && myArr.length ; i+=1) {
document.writeln(headerValues[i].bold() + ':'.bold() + ' '+ myArr[i] + '<br />');
if (albLevel < 3.4) {
document.writeln(albLevel) + ": The patient's Albumin level is low. Kidney disease is of greater risk for this individual.";
}
else if (albLevel > 5.4) {
document.writeln(albLevel) + ": The patient's Albumin level is high. Tests should be performed to check for Dehydration or a high protien diet.";
}
else (albLevel >= 3.4 || <= 5.4) {
document.writeln(albLevel) + ": The patient's Albumin level is normal.";
}
}
</script>
<br />
<br />
<div id="normAlbRange">Normal Albumin Range: 3.4 - 5.4 grams per deciliter.</div><br />
<div id="LowAlbRange">Low Albumin Range: < 3.4 grams per deciliter.</div><br />
<div id="HighAlbRange">High Albumin Range: > 5.4 grams per deciliter.</div><br /><br />
<b>The Patient's Albumin Level is:</b>
<p id="output"></p>
</body>
</html>
实际上,您的代码中出现了JavaScript错误。 尝试切换| 由|| 当您需要OR运算符时。
[]的
如果您的注释代码有问题,则将(albLevel >= 3.4 | <= 5.4)
替换为(albLevel >= 3.4 || albLevel <= 5.4)
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