Javascript: Get Div's Current Width
//get an instance of the object
var my = document.getElementById("div_name");
//get the width of the object
var my_width = parseInt(my.style.width); // removes the "px" at the end
//set the new width
my.style.width = (my_width + 5) +"px";
et voila
var my = document.getElementById("div_name");
//get the width of the object
var my_width = parseInt(my.style.width); // removes the "px" at the end
//set the new width
my.style.width = (my_width + 5) +"px";
et voila
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