dynamic - Dynamically change text values from an input box -

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i have text. want able change parts of text using input box. save time won't have ctrl+f , change values manually.

i created power point file start. want make simple change script values/attributes (e.g. background color etc) input box shown below :

enter image description here

is feature possible on power point? presentation contain html/css scripts user can copy , use on specific platform. want change script values dynamically using text box on side.

the reason created ppt file because sites codepen.io not have feature.

the alternative create website have input box on left , text on right.

i on website using code :

<span id="myspan"></span>  document.getelementbyid("myspan").innerhtml="value";

but want value come input box.

it great if find website or create : enter image description here

i tried find solution. managed create : link

so, there parts in html , css code (that included in blockquote) can change through input boxes on top. user can enter text , click enter. value entered in input box appear in code (blockquoted). added copy feature. means user not have copy-paste blockquoted html , css code. can done through button.

ps: snippet not allow me post code because of character limitaton


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