小编con*_*tin的帖子

我的main.js文件中有以下Javascript :

//array object of API stuff

function createChartWinLoss(wins, losses) {

  var pieData = [
    {
      value: losses,
      color: "#F7464A",
      highlight: "#FF5A5E",
      label: "Losses"
    },
    {
      value: wins,
      color: "#46BFBD",
      highlight: "#5AD3D1",
      label: "Wins"
    }
  ];

  var pieOptions = {
    segmentShowStroke : false,
    animateScale : true
  }


  var winLossChart = document.getElementById('winLossChart').getContext('2d');
  new Chart(winLossChart).Pie(pieData, pieOptions);
}

//creates the chart with test data
createChartWinLoss();

function summonerLookUp() {
  var SUMMONER_ID = "";
  var API_KEY = "keyhere";
  var sumID = $("#theKey").val();
  var …

允许用户在 Bootstrap 内表单的文本字段中仅输入 az、0-9 和空格的最简单方法是什么？例如，我不希望用户能够输入符号或代码或类似的内容。