if (~authBtns.indexOf(service.id)) {
var isInstalled = app.isInstalled(service.id);
var btn = document.createElement('div');
//如果微信未安装,则为不启用状态
btn.setAttribute('class', 'oauth-btn' + (!isInstalled && service.id === 'weixin' ? (' disabled') : ''));
btn.authId = service.id;
btn.style.backgroundImage = 'url("images/' + service.id + '.png")'
oauthArea.appendChild(btn);
}
问下 if里的波浪线啥意思啊?
卡特牛
- 发布:2016-11-25 15:53
- 更新:2016-11-25 15:53
- 阅读:1305
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