代码语言:javascript <!DOCTYPEhtml>Input:The blur event fires when an element has lost focus.functionmyFunction(ele){alert("element has been in blur status, that's why the function is triggered");ele.focus();} MDN:当元素失去焦点时,模糊事件触发。 因此,当myFunction被触发时,元素就失去了焦点。
可以使用 focusin和 focusout事件 ——与 focus/blur事件完全一样,只是它们会冒泡。 注意:必须使用 elem.addEventListener来分配它们,而不是 on<event>。 所以,这是另一个可行的变体: 复制 .focused { outline: 1px solid red; } form.addEventListener("focusin", () => form.classList.add('focus...
In JavaScript, using the addEventListener() method: object.addEventListener("blur",myScript); Try it Yourself » Technical Details Bubbles:No Cancelable:No Event type:FocusEvent HTML tags:ALL HTML elements, EXCEPT: , , , , , , , , , , and DOM Version:Level 2 Events More Examples Examp...
Event onblurYesYesYesYesYes Syntax In HTML: <elementonblur="myScript">Try it In JavaScript: object.onblur=function(){myScript};Try it In JavaScript, using the addEventListener() method: object.addEventListener("blur",myScript);Try it
当涉及到click事件时,可以检查处理程序方法中是否存在event.originalEvent: typeof event.originalEvent !尝试单击第一个,然后单击第二个输入的“触发器单击”按钮,您将看到clickundefined,这意味着event.originalEvent不存在。 浏览1提问于2017-10-13得票数6 回答已采纳...
请注意,我们无法通过在onblur事件处理程序中调用event.preventDefault()来“阻止失去焦点”,因为onblur事件处理程序是在元素失去焦点之后运行的。 但在实际中,在实现这样的功能之前应该认真考虑一下,因为我们通常应该将报错展示给用户,但不应该阻止用户在填写我们的表单时的进度。用户可能会想先填写其他表单项。
created() { // 实现点击空白处隐藏候选框 window.addEventListener('click', this.clickOther) }, destroyed() { window.removeEventListener('click', this.clickOther) }, clickOther(e) { const self = this if (self.$el.querySelector('.search-content') && !self.$el.querySelector('.search-con...
We would like to know how to validate input text field value on blur event. Answer <!DOCTYPEhtml> function validatestr(id,max,min) {<!--fromwww.java2s.com--> var maximum = parseInt(max); var minimum = parseInt(min); var div = document...
PhoneNumber: inpEle.addEventListener("blur", e => { let event = e || window.event; let inputInfo = event.target.value; if(!isNaN(inputInfo)) { spanEle.innerHTML = `请输入11位手机号!!!`; }else { spanEle.innerHTML = `请输入数字!!!`; spanEle.style.color = `red`; } con...
The $event is then passed to the event function, allowing retrieval of user-typed data using event.target.value. This process enables seamless data-binding from the view template to the controller JavaScript code. Thus, this example shows how data is passed from the blur event in a Vue.js ...