劉任昌Javascript與Python比較
劉任昌JAVASCRIPT不需要如PYTHON輸入TKINTER因為已經在視窗執行
重點
python的append=javascript的push,接下的重python例如用在office軟體的各種自動化.. 還有一個重點是物件導向object-oriented programmingstyle程式碼
<STYLE>BUTTON{BORDER:10PX SOLD RED;BORDER-RADIUS:20PX;}
H1{BORDER:10PX SOLD RED;BORDER-RADIUS:20PX;BACKGROUND:PURPLE;COLOR:WHITE;FONT-SIZE:16PX;}
</STYLE>
以上程式碼在HTML模式貼上
在撰寫模式下貼上程式碼就形成以下的畫面
<SCRIPT>var banks=['摩根大通','美國銀行','中國工商','花旗銀行'];
function ABC(){
var c = document.getElementById("myCanvas");
var ctx = c.getContext("2d");
txt = '';
ctx.clearRect(0, 0, 600, 300);
for (i=0; i<banks.length; i++) txt += banks[i]+' ';
ctx.font = "20px 標楷體";
ctx.fillText(txt,0,40);
}
function XYZ(){
newbank = document.getElementById('bank').value;
banks.push(newbank);
ABC();
}
function kill(){
banks.pop();
ABC();
}
</SCRIPT>
<INPUT ID='bank' value='劉任昌金庫'></INPUT>
<BUTTON ONCLICK='XYZ()'>劉任昌增加</BUTTON>
<BUTTON ONCLICK='ABC()'>劉任昌銀行</BUTTON>
<BUTTON ONCLICK='kill()'>刪除串列的最後一個元素</BUTTON>
<canvas id="myCanvas" width="600" height="200" style="border:5px dotted green"></canvas>
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