how to compare the values?

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Javascript

HTML

Hi,

i have a text in my textarea as below.


I am the very model of a modern Major-General.

then i changed the sentence as below.

I am the model of a modern Major-General test.

that is i deleted the 'very' from sentence. now the textarea content is 'I am the model of a modern Major-General.'

i apply the diff-match and patch algorithm and get the sentence as below

I am the very model of a modern Major-General test.

now the textarea content 'I am the model of a modern Major-General.' and the algorithm output

'

I am the <DEL style="COLOR: red; FONT-WEIGHT: bold">very</DEL> model of a modern Major-General <INS style="COLOR: green; FONT-WEIGHT: bold">test</INS>.

'

are equal.

My doubt is how to check textarea content and the algorithm output are equal after apply the del and ins tag?

Thanks