Private variable in class: class Counter { #count = 0; // cannot be access publicly get value () { return this.#count; } incremenet(){ this.#count++; } } class field syntax: Previously you need to call 'super' class Animal { constructor (name) { this…
<html> <head> <title>DOM对象</title> <script type="text/javascript"> function $(id) { return document.getElementById(id); } function insertText() { var val = window.prompt("请输入",""); //alert(val);…
Google Chart API 绘图 组合图作者:方倍工作室 地址: <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <!-- <head> --…
<script type="text/javascript"> google.setOnLoadCallback(drawChartLine); function drawChartLine() { var data = google.visualization.arrayToDataTable([ ['2班学生学号', '年级排名','排名波动值'], ['7', 7,21.46], …
demo /** * @fileoverview Sample showing capturing a KML file click * and displaying the contents in a side panel instead of * an InfoWindow */ var map; var src = 'https://developers.google.com/maps/tutorials/kml/westcampus.kml'; /** * Initializes the…