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Help-a-newbie with variables ...
- Thread starter contiw
- Start date
try using the eval function _________________________________________________________
for the best results to your questions: FAQ333-2924
01001111 01101110 01110000 01101110 01110100
[/sub]
for the best results to your questions: FAQ333-2924
01001111 01101110 01110000 01101110 01110100
- Thread starter
- #3
<html>
<head>
<script>
var heading = "Option one arrays";
var myArray = new Array();
for(var i=0;i<=24;i++){ //loop through to 24
myArray = "value " + i; //give avlue to array
eval('var var'+i+'=myArray'); //create variable with array value
alert(eval('var'+i)); //test
document.write("value "+myArray+" created<br>"
;
}
</script>
</html>
two things here. first I would use arrays but if that is something you do not want to do with in the loop I show the variable creation. _________________________________________________________
for the best results to your questions: FAQ333-2924
01001111 01101110 01110000 01101110 01110100
[/sub]
<head>
<script>
var heading = "Option one arrays";
var myArray = new Array();
for(var i=0;i<=24;i++){ //loop through to 24
myArray = "value " + i; //give avlue to array
eval('var var'+i+'=myArray'); //create variable with array value
alert(eval('var'+i)); //test
document.write("value "+myArray+" created<br>"
;}
</script>
</html>
two things here. first I would use arrays but if that is something you do not want to do with in the loop I show the variable creation. _________________________________________________________
for the best results to your questions: FAQ333-2924
01001111 01101110 01110000 01101110 01110100
a bit more explanation while running through the code
var mag = "";
var myArray = new Array();
for(var i=0;i<=24;i++){
myArray = "value " + i;
eval('var var'+i+'=myArray');
msg = "var"+i+" variable create with value "+ eval('var'+i);
alert(msg);
document.write("value "+myArray+" created<br>"
} _________________________________________________________
for the best results to your questions: FAQ333-2924
01001111 01101110 01110000 01101110 01110100
[/sub]
var mag = "";
var myArray = new Array();
for(var i=0;i<=24;i++){
myArray = "value " + i;
eval('var var'+i+'=myArray');
msg = "var"+i+" variable create with value "+ eval('var'+i);
alert(msg);
document.write("value "+myArray+" created<br>"
;} _________________________________________________________
for the best results to your questions: FAQ333-2924
01001111 01101110 01110000 01101110 01110100
sorry,
var mag = "";
var myArray = new Array();
for(var i=0;i<=24;i++){
myArray = "value " + i;
eval('var var'+i+'=myArray');
msg = "var"+i+" variable create with value "+ eval('var'+i);
alert(msg);
document.write("value "+myArray+" created<br>"
} _________________________________________________________
for the best results to your questions: FAQ333-2924
01001111 01101110 01110000 01101110 01110100
[/sub]
var mag = "";
var myArray = new Array();
for(var i=0;i<=24;i++){
myArray = "value " + i;
eval('var var'+i+'=myArray');
msg = "var"+i+" variable create with value "+ eval('var'+i);
alert(msg);
document.write("value "+myArray+" created<br>"
;} _________________________________________________________
for the best results to your questions: FAQ333-2924
01001111 01101110 01110000 01101110 01110100
alright I quite for the day. this cold is clouding my brain
change that mag declaration to msg. even knowing that doesn't really matter. _________________________________________________________
for the best results to your questions: FAQ333-2924
01001111 01101110 01110000 01101110 01110100
[/sub]
change that mag declaration to msg. even knowing that doesn't really matter. _________________________________________________________
for the best results to your questions: FAQ333-2924
01001111 01101110 01110000 01101110 01110100
TheConeHead
Programmer
if you are just wanting to make the variables and assign them a value- wouldn't this work? maybe I am missing something
var mag = "";
var myArray = new Array();
for(var i=0;i<=24;i++){
myArray = "value " + i;
document.write("value "+myArray+" created<br>"
}
var mag = "";
var myArray = new Array();
for(var i=0;i<=24;i++){
myArray = "value " + i;
document.write("value "+myArray+" created<br>"
;}
TheConeHead
Programmer
that should be, added spaces to [ i ]:
var mag = "";
var myArray = new Array();
for(var i=0;i<=24;i++){
myArray [ i ] = "value " + i;
document.write("value "+myArray+" created<br>"
}
var mag = "";
var myArray = new Array();
for(var i=0;i<=24;i++){
myArray [ i ] = "value " + i;
document.write("value "+myArray+" created<br>"
;}
this line
eval('var var'+i+'=myArray');
dynamically creates a variable with the value of the array element currently selected
I think that is what they wanted. although seemingly long winded when you can use arrays _________________________________________________________
for the best results to your questions: FAQ333-2924
01001111 01101110 01110000 01101110 01110100
[/sub]
eval('var var'+i+'=myArray');
dynamically creates a variable with the value of the array element currently selected
I think that is what they wanted. although seemingly long winded when you can use arrays _________________________________________________________
for the best results to your questions: FAQ333-2924
01001111 01101110 01110000 01101110 01110100
![[lol]](/data/assets/smilies/lol.gif "[lol] [lol]")
ok forget the i's and try it again with x's.
this line
eval('var var'+x+'=myArray[x]');
dynamically creates a variable with the value of the array element currently selected
_________________________________________________________
for the best results to your questions: FAQ333-2924
01001111 01101110 01110000 01101110 01110100
TheConeHead
Programmer
I do not think you need to eval to create the variable- this will actually create the variable... test by:
var myArray = new Array();
for(var i=0;i<=24;i++){
myArray [ i ] = "value " + i;
document.write("value "+myArray+" created<br>"
}
document.write(myArray[7]);
myArray[7] produces "value7"
var myArray = new Array();
for(var i=0;i<=24;i++){
myArray [ i ] = "value " + i;
document.write("value "+myArray+" created<br>"
;}
document.write(myArray[7]);
myArray[7] produces "value7"
that creates a value of the array element not a variable _________________________________________________________
for the best results to your questions: FAQ333-2924
01001111 01101110 01110000 01101110 01110100
[/sub]
for the best results to your questions: FAQ333-2924
01001111 01101110 01110000 01101110 01110100
TheConeHead
Programmer
help me learn:
if document.write(myArray[7]); outputs "value7" how is that not creating a variable? myArray[7] is a variable (of an array) holding the value of "value7" ???
thanks for the education....
if document.write(myArray[7]); outputs "value7" how is that not creating a variable? myArray[7] is a variable (of an array) holding the value of "value7" ???
thanks for the education....
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