My protractor code
var meover = element(by.xpath('/html/body/div[2]/div[1]/div[2]/span[1]/code'));
meover.getText().then(console.log);
browser.actions().mouseMove(meover).perform();
browser.sleep(2000);
How to get popover text?? see the images for better understanding
Images
Found the solution:
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browser.actions().mouseMove(element(by.css('code.nocode.code-annotation'))).perform();
expect(element(by.css('.popover')).isDisplayed()).toBe(true);
popOver = element(by.css('.popover'));
popOver.getAttribute('title').then(console.log);
popOver.getAttribute('content').then(console.log);