The windowWidth variable in p5.js is a system variable that is used to store the width of the inner window and it maps to window.innerWidth.
Parameters: This function does not accept any parameter.
Below program illustrates the windowWidth variable in p5.js:
rect(mouseX, mouseY, 30, 30);
"Window Width is "
+ windowWidth, 30, 40);
width = windowWidth;
"windowWidth of Canvas is : "
+ width, width / 2, height / 2);
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