+ symbol missing while passing values using javascript

Question

I am trying to pass two values from a page to another page using javaScript as follows:

window.location.href = "changefile.php?equation="+s+"&constant="+c;

Inside changefile.php I am getting the values as

$eqn =$_GET['equation'];
$cons=$_GET['constant'];

It is working fine for all the cases except:

Suppose the value of equation is x+1.

I am passing it using window.location.href = "changefile.php?equation="+s+"&constant="+c;

I am getting as x 1 as output. The + is missing.

Please help me. What I am doing wrong?

Satpal · Accepted Answer · 2015-09-09 07:00:56Z

2

You should use encodeURIComponent() to encode s and c parameters.

The encodeURIComponent() method encodes a Uniform Resource Identifier (URI) component by replacing each instance of certain characters by one, two, three, or four escape sequences representing the UTF-8 encoding of the character (will only be four escape sequences for characters composed of two "surrogate" characters).

window.location.href = "changefile.php?equation="+encodeURIComponent(s)+"&constant="+encodeURIComponent(c);

edited Sep 9, 2015 at 7:00

answered Sep 9, 2015 at 6:59

Satpal

134k13 gold badges168 silver badges171 bronze badges

Sign up to request clarification or add additional context in comments.

Comments

Arun P Johny · Accepted Answer · 2015-09-09 06:59:16Z

1

You need to encode the parameter value using encodeURIComponent

window.location.href = "changefile.php?equation=" + encodeURIComponent(s) + "&constant=" + encodeURIComponent(c);

answered Sep 9, 2015 at 6:59

Arun P Johny

389k68 gold badges532 silver badges532 bronze badges

Collectives™ on Stack Overflow

+ symbol missing while passing values using javascript

2 Answers 2

Comments

Comments

Your Answer

Hot Network Questions

Collectives™ on Stack Overflow

2 Answers 2

Comments

Comments

Your Answer

Sign up or log in

Post as a guest

Related