Javascript 将 getJSON 更改为 JSONP

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时间:2020-08-24 07:38:54  来源:igfitidea点击:

Changing getJSON to JSONP

javascriptjqueryjsonjsonp

提问by Satch3000

I have this code:

我有这个代码:

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js"></script>
<script>
    $(document).ready(function() {
        $.getJSON('http://example.com/api/get_cats', function(fbResults) {
            document.write(fbResults.cats[0].title);
        });
    });
</script>

How can I change this code:

如何更改此代码:

<script>
    $(document).ready(function() {
        $.getJSON('http://example.com/api/get_cats', function(fbResults) {
            document.write(fbResults.cats[0].title);
        });
    });
</script>

for it to work as JSONP ... Is this totally different?

让它作为 JSONP 工作......这完全不同吗?

回答by Jill-Jênn Vie

Actually, you just have to add ?callback=?, jQuery does the rest.

实际上,您只需要添加?callback=?,其余的由 jQuery 完成。

$(document).ready(function() {
    $.getJSON('http://example.com/api/get_cats?callback=?', function(fbResults) {
        document.write(fbResults.cats[0].title);
    });
});