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April 19, 2018 02:27
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A close implementation of client-side routing
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| <html> | |
| <head> | |
| <style media="screen"> | |
| nav p { | |
| background-color: #c1c1c1; | |
| cursor: pointer; | |
| } | |
| .output { | |
| display: none; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <nav> | |
| <p>oneSec</p> | |
| <p>twoSec</p> | |
| <p>threeSec</p> | |
| </nav> | |
| <div class="oneSec output"> | |
| Here is oneSec | |
| </div> | |
| <div class="twoSec output"> | |
| Here is twoSec | |
| </div> | |
| <div class="threeSec output"> | |
| here is threeSec | |
| </div> | |
| <script type="text/javascript"> | |
| function changePage(text, push) { | |
| document.querySelectorAll(`.output`).forEach(e => { | |
| e.style.display = 'none'; | |
| }) | |
| document.querySelector(`.${text}`).style.display = 'block'; | |
| if (push) | |
| history.pushState({ route: `/${text}/` }, '', `/${text}/`) | |
| } | |
| function handleNewState(e) { | |
| let pathname = e.target.location.pathname, | |
| firstPick = pathname.split('/')[1], | |
| trimmed = pathname.replace(/\//g, '') | |
| if (trimmed.length > 0) changePage(firstPick, false) | |
| } | |
| window.onpopstate = handleNewState | |
| window.onload = handleNewState | |
| document.querySelector("nav").onclick = e => { | |
| let clicked = e.target, | |
| text | |
| if (clicked.localName !== "nav") { | |
| text = clicked.innerText; | |
| changePage(text, true) | |
| } | |
| } | |
| </script> | |
| </body> | |
| </html> |
I figured it out! I just needed to put a condition before the push state in order to traverse backwards always.
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The only problem here is that using the back button once only is able to go back one for some reason both with and without the
window.onloadfunction.Overall, I'm not completely sold that client side routing is vital for SPAs.