[英]Set Minimum input value in Ajax/java script
This code shows error message when there is no value entered. 没有输入任何值时,此代码将显示错误消息。 How do i create a coding to have an minimum input of 8 characters?
如何创建最少输入8个字符的编码?
For Null value: 对于Null值:
if ($("shipping_tel")) {
if ($("shipping_tel").value === "") {
ErrorMsg += " - Shipping Address: Phone Number\n";
$("shipping_tel_label").className = 'hilight';
} else {
$("shipping_tel_label").className = 'lolight';
}
}
For minimum input value: 对于最小输入值:
if ($("shipping_tel")) {
if ($("shipping_tel").value < 8) {
ErrorMsg += " - Shipping Address: Phone Number\n";
$("shipping_tel_label").className = 'hilight';
} else {
$("shipping_tel_label").className = 'lolight';
}
}
but this does not work. 但这不起作用。 Any idea?
任何想法?
Try this 尝试这个
str = $("shipping_tel").value;
//This regular expression checks the string.
var patt=/[0-9]{8,}/g; //atleast 8 nums long.
if(patt.exec(str)!=str){
ErrorMsg = " - Shipping Address: Phone Number\n";
$("shipping_tel_label").className = 'hilight';
}else{
$("shipping_tel_label").className = 'lolight';
}
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