javascript 如何在ajax上添加onchange事件?

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时间:2020-10-28 08:42:38  来源:igfitidea点击:

How to add onchange event on ajax?

javascripthtmlajax

提问by learner

<script type="text/javascript" src="//ajax.googleapis.com/ajax/libs/jquery/1.10.1/jquery.min.js"></script>
<script type="text/javascript">
$(document).ready(function(){
    $("#btn").click(function() {
        var val = "Hi";
        $.ajax ({
            url: "1.php?id",
            data: { id : val }

        });
    });
});
</script>

<form name="numbers" id="numbers">
    <input type="text" name="id" id="btn">
<input type="text">
</form>

This code is for click event but i want onchange event like on select option. Can anybody suggest me how to add onchange event on this ajax code? Thank you in advance.

此代码用于单击事件,但我想要 onchange 事件,例如选择选项。有人可以建议我如何在此 ajax 代码上添加 onchange 事件吗?先感谢您。

回答by Hirav Sampat

$(document).ready(function(){
    $("#btn").on("change", function() {
        var val = "Hi";
        $.ajax ({
            url: "1.php?id",
            data: { id : val }

        });
    });
});

回答by Harkály Gerg?

<input type="text" name="id" id="btn" onchange="ajaxfunction()" />

<script>
function ajaxfunction()
{
    enter ajax code here
}
</script>

回答by Peter morild

You can try using keyup like so.

您可以尝试像这样使用 keyup。

$(document).ready(function () {
    $("#btn").keyup(function () {
        var val = $(this).val();
        $.ajax({
            url: "1.php?id",
            data: { id: val }

        });
    });
});