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stockQuote.js
Package: foundations-of-ajax-examples.rar　[view]
Upload User: shen332233
Upload Date: 2021-09-03
Package Size: 7478k
Code Size: 1k
Category:

Ajax

Development Platform:

Java

stockQuote.js：Code Content
  1. var stockTickerUpdateIntervalID = 0;
  3. function handleStockTickersChange() {
  4.     clearStockTickerUpdateInterval();
  5. }
  7. function clearStockTickerUpdateInterval() {
  8.     if(stockTickerUpdateIntervalID != 0) {
  9.         window.clearInterval(stockTickerUpdateIntervalID);
  10.     }
  12.     document.getElementById("trackFlag").checked = false;
  13. }
  15. function updateStockQuote() {
  16.     var ajaxRequest = new AjaxRequest("UpdateStockQuote");
  17.     ajaxRequest.addFormElementsById("stockTickers");
  18.     ajaxRequest.sendRequest();
  19. }
  21. function startUpdateStockQuoteInterval() {
  22.     stockTickerUpdateIntervalID = window.setInterval("updateStockQuote()", 90000);
  23. }
  25. function handleTrackFlagClick() {
  26.     var trackFlag = document.getElementById("trackFlag");
  28.     if(trackFlag.checked) {
  29.         updateStockQuote();
  30.         startUpdateStockQuoteInterval();
  31.     }
  32.     else {
  33.         clearStockTickerUpdateInterval();
  34.     }
  35. }