Javascript实现论坛中常见的密码强度提示[2]

// increase strength if contains non alpha

non_alpha_re = new RegExp([^AZaz]);

if (non_alpha_retest(input_str)) {

strength++;

}

// increase strength if contains upper case

upper_alpha_re = new RegExp([AZ]);

if (upper_alpha_retest(input_str)) {

strength++;

}

// increase strength if long enough

if(input_length >=) {

strength++;

}

var strength_str;

if (strength <= ) {

strength_str = <strong style=color:blue>弱</strong>;

} else if (strength <= ) {

strength_str = <strong style=color:blue>中等</strong>;

} else {

strength_str = <strong style=color:green>强壮</strong>;

}

if(input_strlength < ) {

strength_str = <strong style=color:orange>太弱</strong>;

}

output_displayinnerHTML = strength_str;

}

</script>

<div>

<span>密码强度: </span>

<span id=reg_passwd__strength_display__>

</span>

</div>

</div>

</form>

</body>

</html>

[] []