javascript - Google ReCAPTCHA callback function not working -


i use google's recaptcha on website , i'm having problems getting call callback function. after user has passed captcha want call function. use div these attributes render captcha:

class='g-recaptcha' data-sitekey='keyhere' data-callback='alert(1);'

however, can't alert(1); trigger, nothing happens when fill out captcha. else captcha works fine, can't call function. doing wrong?

i haven't used it, don't know if help, looking @ few examples online can find, looks data-callback should function name, not script body:

class='g-recaptcha' data-callback='dosomething'  function dosomething() { alert(1); }

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