src/plugins/popper/index.js
function setStyles(element, styles) {
  Object.keys(styles).forEach(function (prop) {
    var unit = '';
    // add unit if the value is numeric and is one of the following
    if (['width', 'height', 'top', 'right', 'bottom', 'left'].indexOf(prop) !== -1 && isNumeric(styles[prop])) {
      unit = 'px';
    }
    element.style[prop] = styles[prop] + unit;
  });
}
function setStyles(element, styles) {
  Object.keys(styles).forEach(function (prop) {
    var unit = '';
    // add unit if the value is numeric and is one of the following
    if (['width', 'height', 'top', 'right', 'bottom', 'left'].indexOf(prop) !== -1 && isNumeric(styles[prop])) {
      unit = 'px';
    }
    element.style[prop] = styles[prop] + unit;
  });
}
function setStyles ( element , styles ) { Object . keys ( styles ) . forEach ( function ( prop ) { var unit = '' ; // add unit if the value is numeric and is one of the following if ( [ 'width' , 'height' , 'top' , 'right' , 'bottom' , 'left' ] . indexOf ( prop ) !== - 1 && isNumeric ( styles [ prop ] ) ) { unit = 'px' ; } element . style [ prop ] = styles [ prop ] + unit ; } ) ; }
Set the style to the given popper
@method
@memberof Popper.Utils
@argument {Element} element - Element to apply the style to
@argument {Object} styles
Object with a list of properties and values which will be applied to the element
Set the style to the given popper