HTML DOM - invoernommervoorwerp
Invoernommervoorwerp
Die Invoernommer-objek verteenwoordig 'n HTML <invoer>-element met tipe="nommer".
Toegang tot 'n invoernommervoorwerp
Jy kan toegang verkry tot 'n <input> element met type="number" deur getElementById():
Voorbeeld
var x = document.getElementById("myNumber");
Wenk: Jy kan ook toegang tot <input type="number"> kry deur deur die elementversameling van 'n vorm te soek.
Skep 'n invoernommervoorwerp
Jy kan 'n <input> element met type="number" skep deur die document.createElement() metode te gebruik:
Voorbeeld
var x = document.createElement("INPUT");
x.setAttribute("type", "number");
Invoernommer-objek-eienskappe
Property | Description |
---|---|
autocomplete | Sets or returns the value of the autocomplete attribute of a number field |
autofocus | Sets or returns whether a number field should automatically get focus when the page loads |
defaultValue | Sets or returns the default value of a number field |
disabled | Sets or returns whether a number field is disabled, or not |
form | Returns a reference to the form that contains the number field |
list | Returns a reference to the datalist that contains the number field |
max | Sets or returns the value of the max attribute of a number field |
min | Sets or returns the value of the min attribute of a number field |
name | Sets or returns the value of the name attribute of a number field |
placeholder | Sets or returns the value of the placeholder attribute of a number field |
readOnly | Sets or returns whether the number field is read-only, or not |
required | Sets or returns whether the number field must be filled out before submitting a form |
step | Sets or returns the value of the step attribute of a number field |
type | Returns which type of form element the number field is |
value | Sets or returns the value of the value attribute of a number field |
Invoernommer-objekmetodes
Method | Description |
---|---|
select() | Selects the content of a number text field |
stepDown() | Decrements the value of the input number by a specified number |
stepUp() | Increments the value of the input number by a specified number |
Standaard eiendomme en geleenthede
Die Invoernommer-objek ondersteun ook die standaard eienskappe en gebeurtenisse .
Verwante bladsye
HTML-tutoriaal: HTML-vorms
HTML verwysing: HTML <input> tag
HTML-verwysing: HTML <invoer> tipe kenmerk