join() join all the elements in a array to form a string, the parameter to join() will be inserted between each element.
example:
<!DOCTYPE html>
<html>
<head>
<title>JavaScript Exercise</title>
<script type="text/javascript">
function exercise(){
var stringsource = "A man and a pen";
var stringarray_SP = stringsource.split(" ");
var stringarray_a = stringsource.split("a");
var stringjoin = stringarray_SP.join(".");
var result = "stringsource = " + stringsource + "\n\n";
result += "stringarray_SP:\n" + stringarray_SP + "\n\n"
result += "stringarray_a:\n" + stringarray_a + "\n\n";
result += "stringjoin:\n" + stringjoin + "\n";
alert(result);
}
function htmlonload(){
exercise();
}
</script>
</head>
<body onload="htmlonload();">
JavaScript Exercise
</body>
</html>
No comments:
Post a Comment