JavaScript For...In Statement

JavaScript For...In Statement

The statement is used to loop (iterate) through the elements of an array or through the properties of an object.
The code in the body of the for ... in loop is executed once for each element/property.


for (variable in object)
    code to be executed

The variable argument can be a named variable, an array element, or a property of an object.


Using to loop through an array:

<script type="text/javascript">
var x;
var mycars = new Array();
mycars[0] = "Saab";
mycars[1] = "Volvo";
mycars[2] = "BMW";

for (x in mycars)
document.write(mycars[x] + "<br />");
JavaScript For...In Statement Reviewed by 1000sourcecodes on 06:45 Rating: 5
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