Alert return data in jQuery - ajax

I have a php file, process.php which return a number pattern depending on the input string, from $_开发者_运维技巧POST["name"]. I want to alert the return number using jQuery.

How can I do this?

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How about

$.post('/process.php', { input: 'your input' }, function(data) {
    alert(data);
}, 'text');