Method Description append() Adds an element at the end of the list clear() Removes all the elements from the list copy() Returns a copy of the list count() Returns the number of elements with the specified value extend() Add the elements of a list (or any iterable), to the end of the current list index() Returns the index of the first element with the specified value insert() Adds an element at the specified position pop() Removes the element at the specified position remove() Removes the first item with the specified value reverse() Reverses the order of the list sort() Sorts the list
Javascript在網頁就可以執行不需要開啟Spyder sin執行 cos執行 橫軸 以上程式碼 <style>BUTTON{BORDER:GREEN 5PX SOLID;BORDER-RADIUS:30PX;}</style> <h1>Javascript在網頁就可以執行不需要開啟Spyder</h1> <button onclick="LHsin()">sin執行</button> <button onclick="LHcos()">cos執行</button> <button onclick="xLine()">橫軸</button> <canvas height="400" id="my" style="background: black;" width="1200"></canvas> <script> var c = document.getElementById("my"); var cty = c.getContext("2d"); var g = 0.01;//增加一個廣域變數,用在下面的Math.sin(g*x); var h = 195; function LHsin() { var x = 0; var y = 200; cty.beginPath(); cty.lineWidth = 5; cty.moveTo(x,y); while (x < 1000){ x = x + 1; y = 200 - h * Math.sin(g*x); cty.lineTo(x, y); cty.strokeStyle = "yellow"; cty.stroke(); }; } function LHcos() { var x = 0; var y = 200-h;//上面的sin是y =200這裡要改掉 cty.beginPath(); ct...
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