!!我必须在JS中将按钮的值设置为文本框
单击按钮的当前值必须在单击它的ID为“ getir”的文本框中设置。
此操作必须完成,我无法完成Javascript
!!
HTML表格
<table>
<tr>
<input type="text" id="getir" value="" name="getir">
</tr>
<br>
<tr>
<input id="s1" type="button" class="numbers btn btn-outline-success mt-3" onclick="randomValue()"
value="1">
<input id="s2" type="button" class="numbers btn btn-outline-success mt-3 ml-4" onclick="randomValue();"
value="2">
<input id="s3" type="button" class="numbers btn btn-outline-success mt-3 ml-4" onclick="randomValue();"
value="3">
</tr>
<br>
<tr>
<input id="s4" type="button" class="numbers btn btn-outline-success mt-3" onclick="randomValue();"
value="4">
<input id="s5" type="button" class="numbers btn btn-outline-success mt-3 ml-4" onclick="randomValue();"
value="5">
<input id="s6" type="button" class="numbers btn btn-outline-success mt-3 ml-4" onclick="randomValue();"
value="6">
</tr>
<br>
<tr>
<input id="s7" type="button" class="numbers btn btn-outline-success mt-3" onclick="randomValue();"
value="7">
<input id="s9" type="button" class="numbers btn btn-outline-success mt-3 ml-4" onclick="randomValue();"
value="8">
<input id="s8" type="button" class="numbers btn btn-outline-success mt-3 ml-4" onclick="randomValue();"
value="9">
</tr>
<br>
<tr>
<input id="s0" type="button" class="numbers btn btn-outline-success mt-3" onclick="randomValue();"
value="0">
<input id="btnSil" type="button" class="btn btn-outline-danger mt-3 ml-5" onclick="silYazi();"
value="Sil">
</tr>
</table>
[JS UPDATED Randomizer可以正常工作-只需将按钮的值设置为TEXTBOX即可!
////////////////////////////////////////////////////////
function Random() {
return (Math.floor(Math.random() * 10));
}
function randomValue() {
var x = document.getElementsByClassName("numbers")
var i;
var temp;
a = Random();
for (i = 0; i < x.length; i++) {
temp = x[i].value;
x[i].value = x[a].value;
x[a].value = temp;
}
}
function textB() {
x = document.getElementById('getir').value;
}
/////////////////////////////////////////////////////////////////////
function silYazi() {
document.getElementById("getir").value = "";
}
不是选择随机数,而是要shuffle固定的数字列表。
const buttons = document.querySelectorAll("input");
const numbers = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9];
for (let i = 0, len = buttons.length; i < len; i++) {
buttons[i].value = numbers[i];
buttons[i].addEventListener("click", shuffleKeypad);
}
function shuffleKeypad() {
shuffle(numbers);
for (let i = 0, len = buttons.length; i < len; i++) {
buttons[i].value = numbers[i];
}
}
/**
* Shuffles array in place.
* @param {Array} a items An array containing the items.
*/
function shuffle(a) {
var j, x, i;
for (i = a.length - 1; i > 0; i--) {
j = Math.floor(Math.random() * (i + 1));
x = a[i];
a[i] = a[j];
a[j] = x;
}
return a;
}
<table>
<tbody>
<tr>
<td><input type="button"></td>
<td><input type="button"></td>
<td><input type="button"></td>
</tr>
<tr>
<td><input type="button"></td>
<td><input type="button"></td>
<td><input type="button"></td>
</tr>
<tr>
<td><input type="button"></td>
<td><input type="button"></td>
<td><input type="button"></td>
</tr>
<tr>
<td><input type="button"></td>
</tr>
</tbody>
</table>