Generating random string in JavaScript is extremely simple. Last day, I was working on a freelance project and I need to create a long random string using JavaScript. I used the following code snippet for that and you can use that code in your project too. Here goes the full source code.
– Function to Generate Random String:
function generate_random_string ( string_length ) {
// If string length is not defined, by default we set it's value as 21
if( typeof (string_length) == 'undefined') {
string_length = 21;
}
// Initialize random string
var random_string = " ";
var charset = "abcdefghijklmnopqrstuvwxyz0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
// Create a for loop
for( var i=0; i < string_length; i++ ) {
random_string += charset.charAt(Math.floor(Math.random() * charset.length));
}
return random_string;
}
// Call The Function to generate a random string of 30 characters in length
generate_random_string(30);
Enjoy!
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