Skip to main content

Dialog Boxes in JavaScript

Alert Dialog Box: An alert dialog box is mostly used to give a warning message to the users.Mostly they gives only an "Ok button".

Confirmation Dialog Box: A confirmation dialog box is mostly used to take user's consent on any option. It displays a dialog box with two buttons mostly "ok" and "cancel"

Prompt Dialog Box: The prompt dialog box is very useful when you want to pop-up a text box to get user input. Thus, it enables you to interact with the user. The user needs to fill in the field and then click OK. If the user clicks the Cancel button, the window method prompt() returns null.




Show an Alert Dialog Box

Show a Confirmation Dialog Box

Prompt Dialog Box

</body> </html>
function showalert1(){
alert("Iam an alert")
function showalert2(){
confirm("Iam an alert")
function getValue()
var retVal = prompt("Enter your name : ", "your name here");
               document.write("You have entered : " + retVal);


Popular posts from this blog

Passing Images between Activities in Android

in First Activity:
Intent intent=new Intent(FirstClass.this, SecondClass.class); Bundle bundle=new Bundle(); bundle.putInt("image",R.drawable.ic_launcher); intent.putExtras(bundle); startActivity(intent); in Second Acticity:
Bundle bundle=this.getIntent().getExtras(); int pic=bundle.getInt("image"); v.setImageResource(pic);another method:
in First Activity:
Drawable drawable=imgv.getDrawable(); Bitmap bitmap= ((BitmapDrawable)drawable).getBitmap(); ByteArrayOutputStream baos = new ByteArrayOutputStream(); bitmap.compress(Bitmap.CompressFormat.PNG, 100, baos); byte[] b = baos.toByteArray(); Intent intent=new Intent(Passimage.this,myclass.class); intent.putExtra("picture", b); startActivity(intent); in Second Acticity:
Bundle extras = getIntent().getExtras(); byte[] b = extras.getByteArray("picture"); Bitmap bmp = BitmapFactory.decodeByteArray(b, 0, b.length); Image…

Get a single record from SQLite in ANDROID

in DATABASE HELPER class: String[] coloumns = new String[] { KEY_ROWID, KEY_NAME, KEY_NICKNAME }; // calling elements in an array Cursor c = db.query(DATABASE_TABLE, coloumns, KEY_ROWID + "=" + l,null, null, null, null); if (c != null) { c.moveToFirst(); String name = c.getString(1); // since name is in position 1 ie second coloumn return name; } return null; in : String s =editinfo.getText().toString(); long l=Long.parseLong(s); DBAdapter adapter=new DBAdapter(SQliteExample.this);; String returnedname=adapter.returnName(l); String returnednickname=adapter.returnickname(l); adapter.close(); editName.setText(returnedname); editNickName.setText(returnednickname);

How To Finish All Previous Activities in ANDROID ?

Some times we may need to close previous all activities before calling an intent, so that the previous activity do not loads on clicking the Android back button.Here is a simple sniffet for it.. Intent intent = new Intent(getApplicationContext(), MainClass.class); intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP); startActivity(intent);