jQuery/Javascript: setInterval check if DOM element exists? -


var चेक; फ़ंक्शन शोलोडर () {$ ('# mc_signup_form')। प्रीपेड ('लोड हो रहा है & hellip;'); check_init (); } 

  फ़ंक्शन चेक_इनिट () {check = setInterval ('check_trigger ()', 300); } फ़ंक्शन check_clear () {स्पष्ट अंतराल (चेक); } Function check_trigger () {if ($ ('। Mc_error_msg')। लंबाई == 0 || $ ('। Mc_success_msg')। लंबाई == 0) {$ ('# mc_signup_form .loading')। निकालें (); check_clear (); }}

मुझे आश्चर्य है कि मेरा ब्राउज़र कहता है कि check_trigger () मौजूद नहीं है? मैं अपने showLoader () फ़ंक्शन के अंदर एक सेट इन्टरलाले शुरू कर रहा हूँ इसे चेक_ट्रिगर को ट्रिगर करना चाहिए

पोस्ट टेक्स्ट "itemprop =" text ">

मुझे setTimeout और setInterval पर स्ट्रिंग्स मिलती है, बस समस्या की ओर जाता है:)

कोशिश करें: 

  सेट इन्टरवाल (चेक_ट्रिगर, 300);

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