将表单输入存储在javascript变量中，然后将其值传递给php变量而不提交表单？ [重复]

Question

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• How do I pass JavaScript variables to PHP? 14 answers

what I want to do is whenever a user fills his address in text field input I want to grab it on blur with javascript which I am able to do .. now how to pass this variable in a php variable so that i can use it for some operations ? the javascript file is called inside php file ..

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Answer 1

Pull the data from the form elements first

var dataObject = {};
// #search is the form with search params
$.each($('#form name').serializeArray(), function(i, field) {
dataObject[field.name] = field.value;
});

then POST the data to the php

    $.ajax({  
         type: "POST",  
         url: "./api.php",  
        data: dataObject,
        success: function(dataout) {
            //dataout is what is returned from php
            //process it how you like from here
        }
    });

in php do something with POST data

<?php
   $element1 = $_POST["form_element_name1"];
   $element2 = $_POST["form_element_name2"];
   ...do something
   print $result;
?>

the printed result is output to dataout in the ajax function.. process from there