I do not know how to transfer the PHP array js

Do not know how to transfer the PHP array js
$webdata [a]= ' 111 ';
$webdata [b]= ' 222 ';
$webdata [c]= ' 333 ';
$webdata [d]= ' 444 ';
echo "$webdata";
?>











PHP output an array to js,js how to add the data in the array to input,

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------Solution--------------------
The bridge between PHP and JS is built, isn't it? JS can be taken to the value of PHP. It is recommended that you use JSON more conveniently.
------Solution--------------------
Ajax request PHP, can get get
------Solution--------------------
We recommend using AJAX to request PHP asynchronously. PHP returns JSON. Js. To parse the JSON

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