Javascript Jacada扩展-无法分配变量

Javascript Jacada扩展-无法分配变量,javascript,Javascript,我试图在jacada扩展中分配一个系统变量,但它没有被分配 请帮忙 initExtensions("sample", function(app) { //varTest is a system variable app.registerExtension("loaded", function(ctx, page) { var txt_var = "test123"; ctx.setVariable('varTest', txt_var); ctx.getVari

我试图在jacada扩展中分配一个系统变量,但它没有被分配

请帮忙

initExtensions("sample", function(app) {
  //varTest is a system variable 
  app.registerExtension("loaded", function(ctx, page) {
    var txt_var = "test123";
    ctx.setVariable('varTest', txt_var);
    ctx.getVariable('varTest', function(data3) {
      //success
      console.log('Op:', data3);
    }, function(xhr3) {
      console.log('Fail');
    });
  });

  app.registerExtension('pageRenderer', function(ctx, page) {
    // Place your extension code here                
    return page;
  });
});

Xavier,当最终用户单击Next或Done时,变量只设置一次

请看这里:

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