Add more examples

Author: linev

modules/core.mjs

@@ -5,7 +5,7 @@ let version_id = '7.4.0';
 
 /** @summary version date
   * @desc Release date in format day/month/year like '14/04/2022' */
-let version_date = '14/06/2023';
+let version_date = '15/06/2023';
 
 /** @summary version id and date
   * @desc Produced by concatenation of {@link version_id} and {@link version_date}
@@ -736,7 +736,13 @@ function parseMulti(json) {
   * Or one can again parse json with {@link parse} function
   * @param {object} obj - JavaScript object to convert
   * @param {number} [spacing] - optional line spacing in JSON
-  * @return {string} produced JSON code */
+  * @return {string} produced JSON code
+  * @example
+  * import { openFile, draw, toJSON } from 'https://root.cern/js/latest/modules/main.mjs';
+  * let file = await openFile('https://root.cern/js/files/hsimple.root');
+  * let obj = await file.readObject('hpxpy;1');
+  * obj.fTitle = 'New histogram title';
+  * let json = toJSON(obj); */
 function toJSON(obj, spacing) {
    if (!isObject(obj)) return '';
 

modules/draw.mjs

@@ -288,7 +288,11 @@ function getDrawSettings(kind, selector) {
    return res;
 }
 
-/** @summary Set default draw option for provided class */
+/** @summary Set default draw option for provided class
+  * @example
+  import { setDefaultDrawOpt } from 'https://root.cern/js/latest/modules/draw.mjs';
+  setDefaultDrawOpt('TH1', 'text');
+  setDefaultDrawOpt('TH2', 'col');  */
 function setDefaultDrawOpt(classname, opt) {
    let handle = getDrawHandle(prROOT + classname, 0);
    if (handle)
@@ -422,7 +426,18 @@ async function draw(dom, obj, opt) {
   * @return {Promise} with painter object
   * @desc If drawing was not done before, it will be performed with {@link draw}.
   * Otherwise drawing content will be updated
-  * @public */
+  * @public
+  * @example
+  * import { openFile } from 'https://root.cern/js/latest/modules/io.mjs';
+  * import { draw, redraw } from 'https://root.cern/js/latest/modules/draw.mjs';
+  * let file = await openFile('https://root.cern/js/files/hsimple.root');
+  * let obj = await file.readObject('hpxpy;1');
+  * await draw('drawing', obj, 'colz');
+  * let cnt = 0;
+  * setInterval(() => {
+  *    obj.fTitle = `Next iteration ${cnt++}`;
+  *    redraw('drawing', obj, 'colz');
+  * }, 1000); */
 async function redraw(dom, obj, opt) {
 
    if (!isObject(obj))
@@ -531,8 +546,8 @@ function addStreamerInfosForPainter(lst) {
   * import { openFile, makeImage } from 'jsroot';
   * let file = await openFile('https://root.cern/js/files/hsimple.root');
   * let object = await file.readObject('hpxpy;1');
-  * let png64 = await makeImage({ format: 'png', object, option: 'lego2,pal67', width: 1200, height: 800 });
-  * let pngbuf = await makeImage({ format: 'png', as_buffer: true, object, option: 'lego2,pal67', width: 1200, height: 800 }); */
+  * let png64 = await makeImage({ format: 'png', object, option: 'colz', width: 1200, height: 800 });
+  * let pngbuf = await makeImage({ format: 'png', as_buffer: true, object, option: 'colz', width: 1200, height: 800 }); */
 async function makeImage(args) {
    if (!args) args = {};