本文实例讲述了JS实现点击颜色块切换指定区域背景颜色的方法。分享给大家供大家参考。具体实现方法如下:
var cookie_pair
var cookie_name
var cookie_value
var cookie_array = document.cookie.split(\"; \")
for (counter = 0; counter < cookie_array.length; counter++) {
cookie_pair = cookie_array[counter].split(\"=\")
cookie_name = cookie_pair[0]
cookie_value = cookie_pair[1]
if (cookie_name == name_to_get) {
return unescape(cookie_value)
}
}
return null
}
var bg_color = get_cookie(\"bgColor_cookie\")
function set_color(color_val) {
set_cookie(\"bgColor_cookie\", color_val, 365, \"/\")
}
function set_cookie(cookie_name, cookie_value, cookie_expire, cookie_path, cookie_domain, cookie_secure) {
var cookie_string = cookie_name + \"=\" + cookie_value
if (cookie_expire) {
var expire_date = new Date()
var ms_from_now = cookie_expire * 24 * 60 * 60 * 1000
expire_date.setTime(expire_date.getTime() + ms_from_now)
var expire_string = expire_date.toGMTString()
cookie_string += \"; expires=\" + expire_string
}
if (cookie_path) {
cookie_string += \"; path=\" + cookie_path
}
if (cookie_domain) {
cookie_string += \"; domain=\" + cookie_domain
}
if (cookie_secure) {
cookie_string += \"; true\"
}
document.cookie = cookie_string
}
if (bg_color) {
bb1.style.backgroundColor = bg_color
}
</script>
</body>
</html>
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