[英]How to pass the value from url of php to .js
Hi I am new to javascript and I am trying to pass a value from Get in url of php to javascript. 嗨,我是javascript新手,我正试图将Get in php url中的值传递给javascript。 This is my code. 这是我的代码。
this is the url 这是网址
someproject/index.php?roomId=2
index.php index.php
room = $_GET['roomId']; room = $ _GET ['roomId'];
<input hidden id="room" value=<?=$room;?>>
script.js script.js
I want to get the value from php and I want something like: 我想从php获取价值,我想要类似的东西:
$('#room').getValueFromPHP();
but I do not know how to do it. 但我不知道该怎么做。 Please help me. 请帮我。
This should do it: 应该这样做:
PHP 的PHP
<input type="hidden" id="room" value="<?=$room;?>">
JavaScript 的JavaScript
$(function() {// make sure the document is ready.
var url = $("#room").val();
});
In order to pass a value from PHP to JavaScript, you can use echo as follows: 为了将值从PHP传递到JavaScript,可以使用echo,如下所示:
<?php $room = $_GET['roomId']; ?>
<script> var room = <?php echo "'$room'"; ?>; </script>
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