343,344,345,346影片 343介紹物件object RANDOM亂數,FLOOR捨去尾數,CEIL進位,ROUND 輸入整數 劉任昌執行 Math.random()亂數Method方法 Math.floor()捨去小數Method方法 Math.ceil()進位Method方法 Math.round()四捨五入Method方法 以上的程式碼 輸入整數<input type="number" id="n" value=7 min=1 max=1000/> <button onclick="abc()">劉任昌執行</button> <h3>Math.random()亂數Method方法</h3><p id="demo"></p> <h3>Math.floor()捨去小數Method方法</h3><p id="demo1"></p> <h3>Math.ceil()進位Method方法</h3><p id="demo2"></p> <h3>Math.round()四捨五入Method方法</h3><p id="demo3"></p> <script> function abc(){ let n = document.getElementById("n").value ; let x = Math.random()*n; document.getElementById("demo").innerHTML = x; document.getElementById("demo1").innerHTML = Math.floor(x); document.getElementById("demo2").innerHTML = Math.ceil(x); document.getElemen...
作者已經移除這則留言。
回覆刪除https://cpc920508123.blogspot.com/2023/01/javascannerlengthcharat.html
回覆刪除https://jasperyang.blogspot.com/2023/01/javajavascriptinputtextbuttongetvalueby.html
回覆刪除https://liiuzhewei.blogspot.com/2023/01/javajavascriptinputtextbuttongetvalueby.html
回覆刪除https://changmasaxciksdj.blogspot.com/2023/01/javajavascriptinputtestbuttongetvalueb.html
回覆刪除https://html-css-javascript-yaoto.blogspot.com/2023/01/javajavascriptinputtex.html
回覆刪除https://liaojieyun.blogspot.com/2023/01/javajavascriptinputtextbuttongetvalueby.html
回覆刪除https://alien1213.blogspot.com/2023/01/javajavascriptinputtextbuttongetvalueby.html
回覆刪除https://chenjainqi.blogspot.com/2023/01/javajavascriptinputtextbuttongetvalueby.html
回覆刪除作者已經移除這則留言。
回覆刪除作者已經移除這則留言。
回覆刪除https://jjjjjyyy.blogspot.com/2023/01/javajavascriptinputtextbuttongetvalueby.html
回覆刪除https://spencer0309.blogspot.com/2023/01/javajavascriptinputtextbuttongetvalueby.html
回覆刪除https://zongde824.blogspot.com/2023/01/javajavascriptinputtextbuttongetvalueby.html
回覆刪除https://kento920502.blogspot.com/2023/01/w3schooljava.html
回覆刪除