core.js
function(val, param) {
    return checkNumber(val) || checkNumber(param) || parseFloat(val) <= parseFloat(param);
  }
function(val, param) {
    return checkNumber(val) || checkNumber(param) || parseFloat(val) <= parseFloat(param);
  }
function ( val , param ) { return checkNumber ( val ) || checkNumber ( param ) || parseFloat ( val ) <= parseFloat ( param ) ; }
Check if one item is less than or equal to another
Check if one item is less than or equal to another