What is HTML DOM & StaleElement Exception in Selenium

What is HTML DOM - Document Object Model? Why we get StaleElement Exception in Selenium.
• DOM is an API Interface provided by browser
• When a web page is loaded, browser creates a DOM of the page.
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Learn What are the different Exceptions in Selenium:
a. StaleElement Exception
b. ElementNotFound Exception
c. NoElementReference Exception
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With the document object model, JavaScript gets all the power it needs to create dynamic HTML:
• JavaScript can change all the HTML elements in the page
• JavaScript can change all the HTML attributes in the page
• JavaScript can change all the CSS styles in the page
• JavaScript can remove existing HTML elements and attributes
• JavaScript can add new HTML elements and attributes
• JavaScript can react to all existing HTML events in the page
• JavaScript can create new HTML events in the page
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[@kgip11]

No one ever explained DOM so nicely. Thanks Naveen

[@BalaKrishna-gd7si]

Thanks for such a nice video. Useful information and depth of DOM required for automation engineers.

[@nilstoned7593]

I love your dedication, dude... It was Sunday, 11 PM and you were recording this video. Kudos!

[@varmagsr]

Explanation awesome, very easy to follow and understand. thanks for the video

[@veera1200]

Nice video . thank you very much to giving clarity on DOM & how it works

[@omkarpotdar2763]

Thank a lot Naveen for providing a great idea about what is HTML DOM & StaleElement Exception. Keep it up😊

[@thediamondwings6451]

Mind blowing teaching way.....

[@sharatchandra2045]

Excellent Naveen. Thanks

[@nandiniarumugam9772]

Well explained!!

[@vivekanandagupta8982]

nice explanation , easy to understand all concepts ...!!!

[@MrRockstar001]

you give awesome explanation naveen.. :)

[@sampujyadhal2643]

Nicely explained video!!

[@aayushpatel3360]

very useful video and this is new to me in 3.5 years of testing experience. Thanks Naveen

[@saranyajothi9691]

Hi Naveen, You are doing great job.Thank you so much for ur videos pls upload videos on API

[@arabindamohanty2190]

Thanks a lot for a great explanation 😊

[@tanmaysharma4830]

You are true Hero sir...love your dedication..

[@ravikumar-fr2ky]

gr8 stuff...thanku

[@sunilreddymallela]

Your channel is very good great job , can you please post some more videos related sauce lasbs integration with selenium for cross browser testing

[@mansasiva7420]

Amazing explanation. Thank you.

[@sridharlanka2721]

Brilliant explanation!

[@chiranjeevit]

Hi Naveen, Could you please upload a videos on different Web Element Exception Handling with examples? Thanks in advance

[@saifsultan8206]

Great Explanation. Thank You Naveen

[@deepriank]

thank you so much naveen you are awesome

[@lopamudrajenamani755]

Nice information. Can you please upload a video on pytest framework with python for API automation?

[@mithaleepardeshi4893]

Excellent session. But whenever you tell that they ask in interview, I am like Yes have to keep this in mind. Then you tell how you asked the same thing while taking an interview, And trust me the first thought that comes to my mind is "God! If I go for an interview and I get to know that Naveen Khunteta is taking the interview, I'll excuse myself telling, 'I need to use the Washroom' and then i'll run off from there. I don't know why but I am sure, interview with you would be very scary, How much ever prepared I am for it. Hahaha...

[@user-gq8hy9ws3e]

one small query when first page loads the elements would be same when it was loaded first time , what change there could be .not getting that ( on page refresh) any one pls answer TIA

[@v2factsandupdates327]

Awesome

[@prabakarm5025]

nice videos

[@budhimantudutkt6423]

Thanks for the videos naveen.. Very helpful.. My question is will developers create one javascript file each for every browser or only one java script file will interact with every browser DOM API..?

[@ravindersanjay]

Hi Naveen, Suggestion for you . While making such video please zoom the word document to 190 % so that we can see the words clearly . thanks for your all videos and efforts. भगवान आपका भला करे |

[@vijaykumar-pd8zi]

Ravinder Sanjay has kada mokk

[@vijaykumar-pd8zi]

Ravinder Sanjay ninn

[@sridhattasharanamnamami934]

Ya seriously navven ..please do this

[@geethanandana6738]

My amazon cart is empty then navigated to home page added few items to cart. Again I navigated to cart, I can see the added items. Here when user added the items, developer coded in such a way by using CREATE API the cart page will be updated. What understand is, browser is providing a standard DOM format with API's for UI developers to create/update the web pages.

[@mudaseer21]

Best of Asia

[@krishnabhimaneni22]

Naveen thanks for the amazing explanation.Could you please explain how to handle stale elements? You mentioned we have to provide fresh object reference to over come stale element exception ! Can you explain how ?

[@r.suganya9036]

Store xpath in any string valriable. Then later use it like below. string xpath ="providexpath"; Webelement ele =Driver.FindElement(By.XPath(xpath)); //Perform desire operation like ele.Click(); If again exception occurs use try catch block to handle exception.

[@nitish915]

If DOM structure is different for different browsers then will the xpath be different?

[@vageeshajm990]

12:25 90% of the time DOM structure remains same for each browser.

[@ravipratap4862]

is this the reason behind each browser have its own browser driver?

[@minecode123]

Hi Naveen, Did you worked for HCL earlier?

[@sujaybose]

Hi Naveen, you said javascript uses the API of HTML DOM interface for the webpage, that means selenium has in build javascript libraries(example: findelements etc) that we use while accessing those web elements using selenium?

[@shivamsingh-oc2mh]

Yes bro selenium internally converts ur codes in js

[@sarojjha9243]

you are absolutely right. Because of which it is a good practise to use own dynamic xpath

[@garaabhilash8439]

Hi Naveen , Please tell me about self healing script in selenium

[@dontknowwhattotypelo]

Oke?