我想在每个按钮之后打破并居中,有什么建议吗? setAttribute不起作用,也不添加中断
for (var j = 0; j <= 6; j++) {
var btn = document.createElement("BUTTON");
var t = document.createTextNode(sm[j] + " " + sy[j]);
btn.appendChild(t);
document.body.appendChild(btn);
}
&#13;
答案 0 :(得分:0)
<强> HTML 强>
<div id='theParent' class='center_the_stuff'>
</div>
<强> JS 强>
function addInput(type, value, name, id, onclick, parentId) {
//Create an input type dynamically.
var element = document.createElement("input");
//Assign different attributes to the element.
element.type = type;
element.value = value; // Really? You want the default value to be the type string?
element.name = name; // And the name too?
element.id = id;
element.onclick = onclick;
var parent = document.getElementById(parentId);
//Append the element in page (in span).
parent.appendChild(element);
}
function addBreak(parentId) {
var br = document.createElement("br");
var parent = document.getElementById(parentId);
parent.appendChild(br);
}
window.onload = function () {
for (var j = 0; j <= 6; j++) {
var temp = 'mybutton' + j;
addInput('button', temp, temp, temp, undefined, 'theParent');
addBreak('theParent');
}
}
<强> CSS 强>
.center_the_stuff {
text-align: center;
}