* Computed the boundaries limits and return them * @method * @memberof Popper.Utils * @param {HTMLElement} popper * @param {HTMLElement} r

* Get bounding client rect of given element * @method * @memberof Popper.Utils * @param {HTMLElement} element * @return {Object} client re

* Helper function to get the box width based on the usePointStyle option * @param {object} labelopts - the label options on the legend * @param {num

* Helper function to get the box width based on the usePointStyle option * @param {object} labelopts - the label options on the legend * @param {num

* Get a distance metric function for two points based on the * axis mode setting * @param {string} axis - the axis mode. x|y|xy

* Get a distance metric function for two points based on the * axis mode setting * @param {string} axis - the axis mode. x|y|xy

* Helper function to get the items that intersect the event position * @param {ChartElement[]} items - elements to filter * @param {object} position

* Helper function to get the items that intersect the event position * @param {ChartElement[]} items - elements to filter * @param {object} position

* Helper function to get the items nearest to the event position considering all visible items in teh chart * @param {Chart} chart - the chart to loo

* Helper function to get the items nearest to the event position considering all visible items in teh chart * @param {Chart} chart - the chart to loo

* Returns the parentNode or the host of the element * @method * @memberof Popper.Utils * @argument {Element} element * @returns {Element}

腾讯短信接口sha256编码

* Get the prefixed supported property name * @method * @memberof Popper.Utils * @argument {String} property (camelCase) * @returns {String