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John Peter
Pune, Maharashtra, India
How to use call by reference in Javascript functions with Example
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HTML
<p><b>How to use call by reference in Javascript functions with Example</b></p>
JAVASCRIPT
function addAdditionalNames(userNames){
    userNames.push("Sarathy");
    userNames.push("Gopal");
    userNames.push("Lakshanya");
}

var userNames = new Array();

userNames.push("Raja");
userNames.push("Vijay");
userNames.push("Kumar");

document.write(userNames+"<br />");

addAdditionalNames(userNames);

document.write(userNames+"<br />");
Demo & Output 
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