javascript textarea focus

This article mainly shares with you a JavaScript processing example of each line of characters in textarea, which is very simple, but very practical. You can take a look at it. One JavaScript instance per day-process each line of characters in textareaScript function clicka () {console. log ("aaa"); var aa = document. getElementById ("text"); var lines = aa. v

This example describes the way JavaScript lets textarea support the TAB key. Share to everyone for your reference. The implementation methods are as follows: ? 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26-27--28 29---30 31--32 33 34 35 36 37 38-39 40 41 42 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65-66 HTMLTextAreaElement.prototype.getCaretPositi

In IE, have you ever encountered a textarea scroll bar that cannot be dragged, but the up and down buttons can scroll the content?The cause of this problem is likely to be the binding of the onfocus event in the textarea, but, based on a condition, the focus is removed (that is, blur ()), which causes the scrollbar to not be dragged.A typical example is:

Town Field Poem:The Pure Heart sentiment wisdom language, does not have the world name and the benefit. Learn water under the hundred rivers, give up arrogant slow meaning.Learn to have a small return to feed root, willing to cast a conscience blog. Sincere in this writing experience, willing to see the text to inspire.——————————————————————————————————————————CodeResult——————————————————————————————————————————The essence of the blog, in the technical part, more in the town yard a poem. ide:vs2

Improving the reuse of methods by using the method of transmitting parametersHere's a string concatenation operation involving JavaScriptUser nameonfocus= "Showtips" (' User ', ' username must be filled! ' Onblur= ' checkuser (' user ', ' username cannot be null ') "/> Passwordonfocus= "Showtips" (' Password ', ' password must be filled! ' Onblur= ' checkuser (' password ', ' Password cannot be empty ') '/> JavaScript gets

This article describes how to limit the number of words input by textarea in JavaScript. It has good reference value. Let's take a look at it below. This article mainly introduces the principle and method of implementing textarea to limit the number of words input in JavaScript. It has good reference value. Let's take

This article mainly introduces how to obtain and set the Text Location of TextArea or input text box in JS, involving TextArea and input text operation skills, for more information about how to obtain and set the Text Location of TextArea or input text box in JS, see the following example. Share it with you for your reference. The specific implementation method i

For people writing JavaScript to write Web editor, getting the cursor position in textarea is a very important issue, and often many people are overwhelmed in this place and can't find a good way. Yesterday I found a section of JavaScript code on the Internet, originally do not want to put the original here, is because it is too wonderful, afraid I have to change

JS inserts text + moves the cursor to the end of the text at the cursor position of TextArea. Firefox, Chrome, Safari, and Opera all have the selectionStart and selectionEnd attributes. The specific implementation is as follows, if you are interested, refer to the document supported by HA = IE. selection = Firefox, Chrome, Safari, and Opera all have the selectionStart and selectionEnd attributes. The Code is as follows: Function insertText (obj, st

Today in the writing of a small program, the use of the text box to capture the return key function, I would like to be able to use JavaScript implementation, so Baidu has the following, to get the following implementation.The HTML page is as follows:The JS file is implemented as follows:function OnKeyPress (event) {event = event | | window.event;if (Event.keycode = =) {Event.returnvalue = false;$ (' #message '). Val (").

This article mainly introduces how to select text in TextArea by using javascript. It involves some techniques related to setting the focus of TextArea elements on pages and obtaining text. It has some reference value, for more information about how to use JavaScript to sele

There's a textarea, and I want to block a function when this focus is in this textarea, is to make this function invalid, remove the focus and then make it effective again, how to achieve??? 1 floor In your function, you get the control of the current page focus by Document.

This article describes the way JavaScript lets textarea support the TAB key. Share to everyone for your reference. The implementation method is as follows: HTMLTextAreaElement.prototype.getCaretPosition = function () {//return The caret position of the textarea return THIS.S Electionstart; }; HTMLTextAreaElement.prototype.setCaretPosition = function (positi

javascript| cursor Little brother recently in writing an online editor, UBB version of, because no pop-up window, so, in addition to the code, can only be added to the end of the textarea, can not be inserted before the cursor, so in the online crazy looking for information, time does not bear a conscientious, I finally found out how to get the position in the textarea