就像Selenium webdriver为
Java提供各种异常处理一样,我们有什么方法可以使用Protractor实现相同的功能.
如果我们想要处理未找到元素的异常,那么使用Protractor的最佳方法是什么？
解决方法
回答这个问题
is now in Protractor’s FAQ
如何捕获ElementNotFound等错误？
WebDriver throws errors when commands cannot be completed – e.g. not being able to click on an element which is obscured by another element. If you need to retry these actions,try using 07001. If you would just like to catch the error,do so like this
适应您的问题：
elm.isPresent().then(function(present) {
/* no webdriver js errors here */}
if (present) {
/* element exists */
} else {
/* element doesn't exist */
},function(err) {
/* error handling here,i.e. element doesn't if got ElementNotFound
but,eventually and less likely,other issues will fall in here too like
NoSuchWindowsError or ElementStaleError etc...
*/
});
