Google ReCAPTCHA onload回调未触发

Question

我不能为我的生活弄清楚我在这里做错了什么.loaded()回调应该触发但不会触发.这是一个简化测试用例的代码(下面有一个JS小提琴链接):

<script>
  function loaded() {
    alert('loaded() triggered.');
  }
</script>

<script src="https://www.google.com/recaptcha/api.js?onload=loaded" async defer></script>

https://jsfiddle.net/48dshrew/

ReCaptcha文档

Answer 1

看起来渲染模式需要设置为'explicit'以便reCaptcha调用自定义onload回调函数.试试这个:

var onloadCallback = function() {
     console.log('loaded() triggered.');
}

<script src="https://www.google.com/recaptcha/api.js?onload=onloadCallback&render=explicit"
        async defer>
</script>