我在网站上有一些表格和Google隐形reCAPTCHA.有时会出现问题并显示警告:"无法联系reCAPTCHA.请检查您的连接,然后重试." 我试图通过覆盖警报功能来隐藏这些消息:
<script>
var _alert = window.alert;
window.alert = function(text) {
if(text.indexOf("reCAPTCHA") === -1){
_alert(text);
}
return true;
};
</script>
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但是,它不起作用.警报仍然显示.这是我用来调用reCAPTCHA的代码.我使用真正的网站密钥而不是MY_SITE_KEY:
<script>
var widgetNewsletter;
var widgetRegistration;
var captchaCallback = function() {
widgetNewsletter = grecaptcha.render('subscriptionSubmit', {
'sitekey' : 'MY_SITE_KEY',
'callback' : function() {
document.getElementById("newsletter-validate-detail").submit();
}
});
if(document.getElementById("registerFormSubmit") !== null) {
widgetRegistration = grecaptcha.render('registerFormSubmit', {
'sitekey' : 'MY_SITE_KEY',
'callback' : function() {
document.getElementById("form-validate").submit();
}
});
}
};
</script>
<script src='https://www.google.com/recaptcha/api.js?onload=captchaCallback&render=explicit' async="false" defer></script>
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如何阻止警报出现?