Resizing image size using javascript

Question

I am trying to resize the image using javascript, but I am getting errors

 var y;
            var y = new Image();
            y.src = s;
            var wd = y.width/600;
            var ht =  y.height/600;


    if(ht>wd){
        var rw=round(wd * (1/ht));
        var hw1 = ht * (1/ht);
        var hw=round(hw1);
    } else {
        var rw1 = (wd) * (1/wd); 
        rw=round(rw1);
        hw=round(ht * (1/wd));
    }

I am getting errors saying

Message: Object expected Line: 27 Char: 2 Code: 0

Where line 27 is rw=round(rw1);

Thanks Jean

Are your images always larger than 600x600 pixels?

Greg K
– Greg K

2010-03-20 13:34:19 +00:00
Commented Mar 20, 2010 at 13:34 — Greg K
– Greg K, Commented Mar 20, 2010 at 13:34
Yes, Would the above code not be appropriate?

X10nD
– X10nD

2010-03-20 13:39:25 +00:00
Commented Mar 20, 2010 at 13:39 — X10nD
– X10nD, Commented Mar 20, 2010 at 13:39

Guffa · Accepted Answer · 2010-03-20 13:33:34Z

3

The round method is not a global function, it's a method in the Math object.

Change every round in your code to Math.round.

answered Mar 20, 2010 at 13:33

Guffa

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