// ✅ Remove disabled attribute from button btn.removeAttribute('disabled'); // ✅ Add disabled attribute to button // btn.setAttribute('disabled', ''); 1. 2. 3. 4. 5. 6. 7. 我们选择了button使用document.getElement
We also believe you should be able to use all Bootstrap plugins purely through the JavaScript API. All public APIs are single, chainable methods, and return the collection acted upon. $('.btn.danger').button('toggle').addClass('fat') All methods should accept an optional options object, ...
Loading text should be defined on the button element using the data attribute data-loading-text. <button type="button" class="btn" data-loading-text="loading stuff..." >...</button> Heads up! Firefox persists the disabled state across page loads. A workaround for this is to use ...
Note: The data-toggle="dropdown" attribute is relied on for closing dropdown menus at an application level, so it's a good idea to always use it. Via data attributes Add data-toggle="dropdown" to a link or button to toggle a dropdown. <div class="dropdown"> <button id="dLabel"...
Note: The data-toggle="dropdown" attribute is relied on for closing dropdown menus at an application level, so it's a good idea to always use it. Via data attributes Add data-toggle="dropdown" to a link or button to toggle a dropdown. <div class="dropdown"> <button id="dLabel"...
("click"===e.type&&1<=e.button))for(;l!==this;l=l.parentNode||this)if(1===l.nodeType&&("click"!==e.type||!0!==l.disabled)){for(o=[],a={},n=0;n<u;n++)void 0===a[i=(r=t[n]).selector+" "]&&(a[i]=r.needsContext?-1<S(i,this).index(l):S.find(i,this...
这里的函数 addTen()有一个参数 num,而参数实际上是函数的局部变量。在调用这个函数时,变量 count 作为参数被传递给函数,这个变量的值是 20。于是,数值 20 被复制给参数 num 以便在 addTen()中使用。在函数内部,参数 num 的值被加上了 10,但这一变化不会影响函数外部的 count 变量。参数num 与变量 count...
Add data-toggle="dropdown" to a link or button to toggle a dropdown. <div class="dropdown"> <a class="dropdown-toggle" data-toggle="dropdown" href="#">Dropdown trigger</a> <ul class="dropdown-menu" role="menu" aria-labelledby="dLabel"> ... </ul> </div> To keep URLs ...
<button id="nextButton"></button> </div> </section> </div> </body> </html> The interesting part of this HTML is the use of the data-win-bind attribute, which uses the following format: <div data-win-bind="destProp1: sourceProp1; destProp2: sourceProp2;..."></div> ...
const button = document.querySelector('button')If you have multiple buttons you might want to use document.querySelectorAll() and loop through the results.Anyway, once you have the element reference, you set its disabled property to true to disable it:button.disabled = true...