use*_*736 2 javascript ajax ruby-on-rails ruby-on-rails-3
我的_new.html.erb中有以下功能.我想在更改element_id_placeholder时调用控制器:
<script type="text/javascript">
// When DOM loads, init the page.
$(function() {
// Executes a callback detecting changes with a frequency of 1 second
$("#id_element_placeholder").observe_field(1, function( ) {
alert('Change observed! new value: ' + this.value );
// call controller
});
});
</script>
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我正在使用rails 3
使用jQuery的ajax方法:
$.ajax({
type: "GET",
url: "/articles/" + $(this).attr('value'),
success: function(data){}
});
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http://api.jquery.com/jQuery.ajax/