Textbox Blank or not
How to check the textbox value is blank or notfunction CheckTextboxBlank(){
if(document.getElementById("textbox1").value==""){
alert("Oops...blank text box");
}else{
alert("Good!...text box is not blank");
}
}
</script>
<input type="text" value="" id="textbox1" />
<input type="button" value="check" onclick="CheckTextboxBlank();" /><br />
Textbox Value is number or Text
How to check the textbox value is Number or text<script>
function CheckTextboxNumber(){
if(!document.getElementById("textbox2").value==""){
var obj=isNaN(document.getElementById("textbox2").value);
if(obj){
alert("Text");
}else{
alert("Number");
}
}
else
alert("please enter something...");
}
</script>
<input type="text" value="" id="textbox2" />
<input type="button" value="check" onclick="CheckTextboxNumber();" /><br />
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