Combining Text and numeric variables

[lilwillywonka]

I would like to fill a text field using both text and variables..

i.e. it would say x+2, so i would write.. (if 2 were a given variable)
form.form1.value = "x+" 2 ???

(I know that isn't correct, I'm just wondering how I would go about this..)

[DaveyErwin]

This is probably not a good answer
as i really dont understand the question ....

<form name="frm">
<input name="a" >
<script>var a=2*1;frm.a.value="2+" + a  </script>
<input name= "b" >
<script>frm.b.value=eval("2+" + a ) </script>
</form>

input a has 2 + 2
input b has 4

[Arbitrator]

I would like to fill a text field using both text and variables..

i.e. it would say x+2, so i would write.. (if 2 were a given variable)
form.form1.value = "x+" 2 ???

(I know that isn't correct, I'm just wondering how I would go about this..)

If you want the text field to read "x + #" where # is a numeric variable, you would use something like this:

var input_el = document.getElementById("text_field");
var my_numeric_variable = 2;
input_el.value = "x + " + my_numeric_variable.toString();

That would operate on HTML like this:

<input id="text_field" type="text">

(Note that .toString() isn't technically required since JavaScript automatically converts variable types (here from a number to a string), but I prefer to do these conversions explicitly instead of relying on "magic" to auto-convert between types.)