[RaggiTech]

كاتب الموضوع : AhmedEssawy

كود :

function data_change(field)
{
var check = true;
var value = field.value; //get characters
//check that all characters are digits, ., -, or ""
for(var i=0;i < field.value.length; ++i)
{
var new_key = value.charAt(i); //cycle through characters
if(((new_key < "0") || (new_key > "9")) &&
!(new_key == ""))
{
check = false;
break;
}
}
//apply appropriate colour based on value
if(!check)
{
field.style.backgroundColor = "red";
}
else
{
field.style.backgroundColor = "white";
}
}