Aylantirishda chizish (scroll drawing)
JavaScript va SVG yordamida sahifa aylantirilganda chizishni o‘rganing.
Aylantirishda chizish
Sahifa aylantirilganda SVG va JavaScript yordamida uchburchak chizish — e’tibor bering, u <path> elementi bo‘lishi shart:
Misol
<svg id="mySVG">
<path fill="none" stroke="red" stroke-width="3" id="triangle" d="M150 0 L75 200 L225 200 Z"/>
</svg>
<script>
// Get the id of the <path> element and the length of <path>
var triangle = document.getElementById("triangle");
var length = triangle.getTotalLength();
// The start position of the drawing
triangle.style.strokeDasharray = length;
// Hide the triangle by offsetting dash. Remove this line to show the triangle before scroll draw
triangle.style.strokeDashoffset = length;
// Find scroll percentage on scroll (using cross-browser properties), and offset dash same amount as percentage scrolled
window.addEventListener("scroll", myFunction);
function myFunction() {
var scrollpercent = (document.body.scrollTop + document.documentElement.scrollTop) / (document.documentElement.scrollHeight - document.documentElement.clientHeight);
var draw = length * scrollpercent;
// Reverse the drawing (when scrolling upwards)
triangle.style.strokeDashoffset = length - draw;
}
</script>
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Maslahat: SVG haqida SVG darsligimizda batafsil bilib oling.
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