prob with selected radio button using javascript? -

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इस सवाल का पहले से ही एक उत्तर है: < / P>

  • 15 जवाब

अपरिभाषित आउटपुट !! मैं sth याद आ रही है? कोई भी विचार?

यहां रेडियो बटन इनपुट है: 

  & lt; tr & gt; & Lt; td & gt; हाँ & lt; इनपुट प्रकार = "रेडियो" नाम = "ईमेल" आईडी = "ईमेल" मान = "हां" /> gt; & lt; / td & gt; & LT; टीडी & gt; & lt; / टीडी & gt; & Lt; td & gt; नहीं & lt; इनपुट प्रकार = "रेडियो" नाम = "ईमेल" id = "ईमेल" मान = "नहीं" चेक = "चेक" /> gt; & lt; / td & gt; & Lt; / टीआर & gt; & Lt; इनपुट प्रकार = "बटन" मान = "सबमिट करें" onclick = "doIt ()" शैली = "चौड़ाई: 150px; ऊंचाई: 30px" / & gt; & Lt; स्क्रिप्ट प्रकार = "टेक्स्ट / जावास्क्रिप्ट" भाषा = "जावास्क्रिप्ट" & gt; फ़ंक्शन doIt () {var emailopt = document.getElementById ('ईमेल')। Checked.value; चेतावनी (ईमेलपोस्ट); }

जिस तरीके से आपने कोशिश की वह पूरी तरह से गलत है। इसके बजाय नीचे दिए गए दृष्टिकोण का उपयोग करें

1) नाम संपत्ति के साथ सभी रेडियो बटन के माध्यम से दोहराएं) 2) अब चेक किए गए विशेषता का उपयोग करते हुए, एक जगह डालें स्टेटमेंट और उसके बाद value 

  फ़ंक्शन doIt () को निकालें {var emailopt = document.getElementsByName ('email'); के लिए (i = 0; i & lt; emailopt.length; i ++) {यदि (emailopt [i]। चेक किया गया है) {चेतावनी [i] .value)}}}

< / P>


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