indexOf

javascript/fundamental

날아올라↗↗ 2016. 1. 7. 13:40

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<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
<script type="text/javascript">
window.onload = function() {
var testValue = "This is the Cookbook's test string";
var subsValue = "Cookbook";
var iValue = testValue.indexOf(subsValue); // returns value of 12, index of substring
if (iValue != -1)
alert(iValue);
}
</script>
</head>
<body>
</body>
</html>

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