Function chkCSS

examples/assets/library/iframe-content.js:239–245

(attr,value)

  function chkCSS(attr,value) {
    if (-1 !== value.indexOf('-')) {
      warn('Negative CSS value ignored for '+attr);
      value='';
    }
    return value;
  }

  function setBodyStyle(attr,value) {
    if ((undefined !== value) && ('' !== value) && ('null' !== value)) {