onfocus

问题 I have this datalist inside a Lit-Element web component: <input list="cars" name="car" placeholder = "Type car name"> <datalist id="cars"> <option value="Jeep"> <option value="Lamborghini"> <option value="Ferrari"> <option value="Fiat 500"> <option value="Gran Torino"> </datalist> If I select one of these options from the list, and then I click again on input field, I can't see the list of option but only the selected one. If I want to see all the options I have to manually delete with the

问题 I'm trying to debug a JavaScript onFocus event attached to a bunch of text boxes on a page. The bug occurs when selecting a text box and then tabbing to the next text box. I'm trying to debug this by placing a break point in the onFocus event using the Chrome Developer Tools. The problem I'm facing is that when I select a text box and the break point is caught, Chrome Developer Tools steals focus and does not return it, so I can't tab to the next text box. Anyone have an idea for a work

问题 I'm trying to debug a JavaScript onFocus event attached to a bunch of text boxes on a page. The bug occurs when selecting a text box and then tabbing to the next text box. I'm trying to debug this by placing a break point in the onFocus event using the Chrome Developer Tools. The problem I'm facing is that when I select a text box and the break point is caught, Chrome Developer Tools steals focus and does not return it, so I can't tab to the next text box. Anyone have an idea for a work

问题 I asked previously a question about how to make a dropdown menu by css. Now I've got it to work beautifully. But now I need to make it react to on click. The menu I'm trying to create will have 2 sets of nested list items. I'm using pseudo selecter :focus on the first level list items. But of course I lose the focus part when I'm trying to display the nested list item. Is it possible in some way to keep the first level list item to stay focused while the user goes deeper in the menu? My html

问题 I asked previously a question about how to make a dropdown menu by css. Now I've got it to work beautifully. But now I need to make it react to on click. The menu I'm trying to create will have 2 sets of nested list items. I'm using pseudo selecter :focus on the first level list items. But of course I lose the focus part when I'm trying to display the nested list item. Is it possible in some way to keep the first level list item to stay focused while the user goes deeper in the menu? My html

问题 I asked previously a question about how to make a dropdown menu by css. Now I've got it to work beautifully. But now I need to make it react to on click. The menu I'm trying to create will have 2 sets of nested list items. I'm using pseudo selecter :focus on the first level list items. But of course I lose the focus part when I'm trying to display the nested list item. Is it possible in some way to keep the first level list item to stay focused while the user goes deeper in the menu? My html

问题 I asked previously a question about how to make a dropdown menu by css. Now I've got it to work beautifully. But now I need to make it react to on click. The menu I'm trying to create will have 2 sets of nested list items. I'm using pseudo selecter :focus on the first level list items. But of course I lose the focus part when I'm trying to display the nested list item. Is it possible in some way to keep the first level list item to stay focused while the user goes deeper in the menu? My html

问题 I made a horizontal scroll with resources in it. I'm using the arrow key to navigate in the list, now I want to open that particular highlight list by clicking enter. Component.ts arrowkeyLocation = 0; @HostListener('document:keydown', ['$event']) keyDown(event: KeyboardEvent, resource): void { if (event.keyCode === 37 && this.arrowkeyLocation > 0) { this.arrowkeyLocation--; } if (event.keyCode === 39 && this.arrowkeyLocation < this.searchData.toArray().length - 1 ) { this.arrowkeyLocation++;

问题 For some reason the onblur and onfocus properties don't work. Am I defining them right? var replyTxt = document.createElement("input"); replyTxt.id="replyTxt"; replyTxt.type="text"; replyTxt.value="Write a reply"; replyTxt.onfocus = function(){if(replyTxt.value==replyTxt.defaultValue) replyTxt.value='';}; replyTxt.onblur= function(){if(replyTxt.value=='') replyTxt.value=replyTxt.defaultValue;}; I have also tried putting "function(){if(replyTxt.value==replyTxt.defaultValue) replyTxt.value='';}

问题 I have a modal popup opened. I have accessibility requirement. So added ARIA related labels. But when i click tab key continuously focus going to the page behind the actual page. Added role="dialog" in html file But when modal opened i want only the focus navigate within the modal popup. Working on Angular4, HTML5 project. Better if we find a solution within HTML file itself . I mean without added any javascript/jQuery related stuffs to prevent this 回答1: You are asking about focus trap , it's