How to set cursor to input box in Javascript

Question

document getElementById frmObj id  value     document getElementById frmObj id  autofocus  document getElementById  errorMsg   innerHTML    Only numeric value is allowed     In the above code the value of the form object is perfectly setting to    but there is no cursor in the text box  I want a cursor to be there  focus   only focuses that input box but does not actually set the cursor

User · Answer

This way sets the focus and cursor to the end of your input   div getElementsByTagName  input   0  focus    div getElementsByTagName  input   0  setSelectionRange div getElementsByTagName  input   0  value length div getElementsByTagName  input   0  value length  forward

User · Answer

Sometimes you do get focus but no cursor in a text field  In this case you would do this   document getElementById frmObj id  select

User · Answer

One of the things that can bite you is if you are using  onmousedown as your user interaction  when you do that  and then an attempt is immediately made to select a field  it won t happen  because the mouse is being held down on something else  So change to  onmouseup and viola  now focus   works  because the mouse is in an un-clicked state when the attempt to change focus is made

User · Answer

In JavaScript first focus on the control and then select the control to display the cursor on texbox     document getElementById frmObj id  focus    document getElementById frmObj id  select      or by using jQuery       textboxID   focus

User · Answer

Inside the input tag you can add autoFocus  true  for anyone using jsx react   lt input  type  quot email quot   name  quot email quot   onChange  e   gt  setEmail e target value    value  email   placeholder   quot Email    quot    autoFocus  true    gt

User · Answer

In my experience  document getElementById frmObj id  focus     is good on a browser running on a PC  But on mobile if you want the keyboard to show up so the user can input directly then you also need   document getElementById frmObj id  select

User · Answer

I realize that this is quite and old question  but I have a  stupid  solution to a similar problem which maybe could help someone   I experienced the same problem with a text box which shown as selected  by the Focus method in JQuery   but did not take the cursor in   The fact is that I had the Debugger window open to see what is happening and THAT window was stealing the focus  The solution is banally simple  just close the Debugger and everything is fine   1 hour spent in testing

User · Answer

You have not provided enough code to help You likely submit the form and reload the page OR you have an object on the page like an embedded PDF that steals the focus   Here is the canonical plain javascript method of validating a form  It can be improved with onubtrusive JS which will remove the inline script  but this is the starting point DEMO   function validate formObj      document getElementById  errorMsg   innerHTML             var quantity   formObj quantity    if  isNaN quantity         quantity value         quantity focus        document getElementById  errorMsg   innerHTML    Only numeric value is allowed       return false        return true     allow submit        Here is the HTML   lt form onsubmit  return validate this   gt       lt input type  text  name  quantity  value      gt       lt input type  submit    gt   lt  form gt       lt span id  errorMsg  gt  lt  span gt

[javascript] How to set cursor to input box in Javascript?

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