如何使用 javascript 验证我的下拉列表
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时间：2020-10-25 18:02:52 来源:igfitidea点击:
How do I validate my drop down list with javascript
提问by wow
I want to validate my drop down list to current javascript function.
我想验证我的下拉列表到当前的 javascript 函数。
Javascript
Javascript
function theteam() {
document.add_team_frm.action = "team.php";
document.add_team_frm.submit();
}
HTML
HTML
<form name="add_team_frm" action="team.php" method="post">
<select name="team_name[]">
<option value="0">Select Team</option>
<option value="1">Team A</option>
<option value="2">Team B</option>
<option value="3">Team C</option>
</select>
<a href="javascript:theteam()">Submit Team</a>
</form>
I use link as submit button. How do I add a a validation on name="team_name[]"to the theteam()if value = 0
我使用链接作为提交按钮。如何将 aa 验证添加name="team_name[]"到theteam()ifvalue = 0
Let me know.
让我知道。
回答by Naftali aka Neal
try this:
试试这个：
function theteam(){
//check select
if(document.getElementById('selectID').value == 'whatever'){
document.forms['add_team_frm'].submit();
}
else { /*select check failed*/ }
}
