StackOverflowGist_nightwatchjs-how-to-check-if-element-exists-without-creating-an-error-failure-exception

DemoTestGoogle.js

// Example adapted from the examples at http://nightwatchjs.org/guide#writing-tests
module.exports = {
    'Navigate to google': function (browser) {
        browser.windowMaximize();
        browser.url('http://www.google.com');
        browser.waitForElementVisible('body', 1000);
    },

    'Try a junk selector that doesnt exist, using .elements': function (browser) {
        // Note that the status is 0
        browser.elements('css selector', '#garbage-element-selector-xxxxxxxxxx', function (result) {
            console.log('-----------------');
            console.dir(result);
            console.log('-----------------');
        });
    },

    'Try a junk selector that doesnt exist': function (browser) {
        // Note that the status is -1
        browser.element('css selector', '#garbage-element-selector-xxxxxxxxxx', function (result) {
            console.log('-----------------');
            // Not printing the entire object, it's full of error text as expected
            console.log(`status: ${result.status}`);
            console.log('-----------------');
        });
    },

    'Try a real selector': function (browser) {
        // Now let's do something when the element does exists
        // This replaces the line "browser.setValue('input[type=text]', 'nightwatch');"
        // from the original example
        browser.element('css selector', 'input[type=text]', function (result) {
            console.log('-----------------');
            console.dir(result);
            console.log('-----------------');
            if (result.status != -1) {
                browser.setValue('input[type=text]', 'nightwatch');
            } else {
                console.log('->The element does not exist, we failed');
            }
        });
    },

    'Do the rest of the example test': function (browser) {
        browser.waitForElementVisible('button[name=btnG]', 1000);
        browser.click('button[name=btnG]');
        browser.pause(1000);
        browser.assert.containsText('#main', 'Night Watch');
        browser.end();
    }
};