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joicomponents

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Design patterns to build native web components

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<!DOCTYPE html> <html lang="en"> <body> <my-page id="a" delay="100"></my-page> <my-page id="b" delay="100"></my-page> <my-page id="c" delay="100"></my-page> <my-page id="d" delay="100"></my-page> <my-page id="e" delay="100"></my-page> <script src="../../src/SetupMixin.js"></script> <script src="MyPageAndMyDelay.js"></script> <style> my-page { float: left; background: lightgreen; width: 200px; height: 200px; } my-page:nth-child(even) { background: green; } </style> <p>TTST = timeToSetTimeout</p> <h1>Web app TTST: </h1> <script> window.startTime = performance.now(); setTimeout(() => document.querySelector("h1").innerText += performance.now() - window.startTime, 0); </script> <div id="menu"> <h3>Menu</h3> <div id="_f">add page f</div> <div id="_g">add page g</div> <div id="_h">add page h</div> <div id="_i">add page i</div> <div id="_j">add page j</div> <hr> </div> <div id="pages"> <my-page id="a" delay="100"></my-page> <my-page id="b" delay="100"></my-page> <my-page id="c" delay="100"></my-page> <my-page id="d" delay="100"></my-page> <my-page id="e" delay="100"></my-page> </div> <script> function addPage(id) { id = id.substr(1); let myPage = document.createElement("my-page"); myPage.id = id; myPage.setAttribute("delay", "200"); document.querySelector("#pages").appendChild(myPage); } document.querySelector("#menu").addEventListener("click", (e) => addPage(e.currentTarget.id)); setTimeout(() => document.querySelector("#_f").click(), 2000); </script> </body> </html>