Question

I’ve a program which creates text input boxes dynamically. I want to clear the contents of the boxes on the click of clear button.

var elems = document.getElementsByClassName(CLId);
var myLength = elems.length;
var total = 0;
for (var i = 0; i < myLength; ++i) {
  if(elems[i].value != null && elems[i].value > 0){
    var el = elems[i];
  }
}

I use this to get the values of the boxes, but don’t know how to make them empty….

Answer 1

use getElementsByTagName (the class version is not cross-browser yet)
and set the value to “”, for the elements with the desired class.

var cname, elems = document.getElementsByTagName("input");
for ( var i = elems.length; i--; ) {
    cname = elems[i].className;
    if ( cname && cname.indexOf(CLId) > -1 ) {
        // empty the input box
        elems[i].value = ""; 
    }
}

(or you can use a reset input box for the entire form)