HTML代码:<table id="pixel_canvas"></table>jS代码:function makeGrid() {// Your code goes here! var cTr_lenght = document.getElementById("input_height").value; var cTd_lenght = document.getElementById("input_width").value; var oTab = document.getElementById('pixel_canvas'); for (var i = 0; i <= cTr_lenght-1; i++) { var cTr = document.createElement('tr'); oTab.appendChild(cTr); for (var n = 0; n <= cTd_lenght-1; n++) { var cTd = document.createElement('td'); cTr.appendChild(cTd); } }}取到输入框的值后点提交,显示一下就没有了。
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