Clear text field value in JQuery

Question

I understand this is an easy question but for some reason this just isn t working for me   I have a function that is triggered everytime a drop down menu is changed   Here is the relevant code that is suppose to grab the current value of the text field  if a value exists  clear it that is contained within the  change function   var doc val check       doc title   attr  value        if  doc val check length  gt  0            doc val check                I feel like I am missing something very simple

User · Answer

First Name   lt input type  text  autocomplete  off  name  input1   gt       lt br  gt      Last Name   lt input type  text  autocomplete  off  name  input2   gt       lt br  gt       lt input type  submit  value  Submit    gt   lt  form gt

User · Answer

Try using this     x000D   x000D  function checkValue    x000D    var value       doc title   val    x000D    if  value length  gt  0    x000D              doc title   val      x000D              doc title   focus        To focus the input  x000D        x000D      else  x000D        do something x000D        x000D    x000D   lt script src  https   cdnjs cloudflare com ajax libs jquery 3 3 1 jquery min js  gt  lt  script gt  x000D   lt body gt  x000D   lt input type  text  id  doc title  value  Sample text   gt  x000D   lt button onclick  checkValue    gt Check Value lt  button gt  x000D   lt  body gt  x000D   x000D   x000D

User · Answer

What you need is   if      doc title   val            doc title   val

User · Answer

If you want to clear the text field  use       doc title   val

User · Answer

In simple way  you can use the following code to clear all the text field  textarea  dropdown  radio button  checkbox in a form   function reset           input type text    val                textarea   val              input type select    val             input type radio    val             input type checkbox    val

User · Answer

For the most part you just set the  val   method  All of the answers are pretty accurate  just wanted to post my results to anyone who may need to set the value via the client id that gets rendered              lt    doc title ClientID   gt    val null

User · Answer

You are comparing doc val check with an empty string  You want to assign the empty string to doc val check  so it should be this   doc val check

User · Answer

you can clear it by using this line       TextBoxID   val

User · Answer

element id    val null     or       element class    val null

User · Answer

Instead of all those       doc title   attr  value

User · Answer

If you want to have element with visible blank text just do this       doc title   html   amp nbsp

User · Answer

We can use this for text clear    x000D   x000D     input name  message     val        x000D   x000D   x000D

User · Answer

If you are using jQuery  then you can use this      var doc val check       doc title   val    - No need of this  if      doc title   val   length  gt  0            doc title   val

User · Answer

Use jQuery prototype val to get set field values   var value       doc title   val          get value     doc title   val            clear value

User · Answer

doc val check                is equality check operator   should be  doc val check               is assign operator  you need to set empty value                            so you need     You can write you full code like this   var doc val check     trim      doc title   val         take value of text                                                          field using  val       if  doc val check length            doc val check          this will not update your text field         To update you text field with a    you need to try      doc title   attr  value   doc val check       or     doc title   val doc val check     But I think you don t need above process     In short  just one line      doc title   val        Note   val   use to set  get value in text field  With parameter it acts as setter and without parameter acts as getter   Read more about  val

[javascript] Clear text field value in JQuery

Examples related to javascript

Examples related to jquery

Examples related to forms

Examples related to input