The "onchange" event in JavaScript occurs when the value of an element has been changed. For "input" and "textarea" elements, the onchange event occurs when the element loses focus, after the content has been changed. For "select" elements, the onchange event occurs when an option is selected.

Here are the steps that lead to an onchange event:

1. A user interacts with an input field, a textarea, or a select dropdown on a webpage. This could be through typing, selecting an option, or pasting text.

2. The user then clicks outside of the field or moves to another field, causing the original field to lose focus.

3. If the value within the field has been changed, the onchange event is triggered.

4. Any JavaScript function that has been set to run on the onchange event will then execute. This could be a function that validates the input, updates other elements on the page, sends data to a server, etc.

Question

The "onchange" event in JavaScript occurs when the value of an element has been changed. For "input" and "textarea" elements, the onchange event occurs when the element loses focus, after the content has been changed. For "select" elements, the onchange event occurs when an option is selected.

Here are the steps that lead to an onchange event:

1. A user interacts with an input field, a textarea, or a select dropdown on a webpage. This could be through typing, selecting an option, or pasting text.

2. The user then clicks outside of the field or moves to another field, causing the original field to lose focus.

3. If the value within the field has been changed, the onchange event is triggered.

4. Any JavaScript function that has been set to run on the onchange event will then execute. This could be a function that validates the input, updates other elements on the page, sends data to a server, etc.

Knowee AI · Accepted Answer

The "onchange" event in JavaScript occurs when the value of an element has been changed. For "input" and "textarea" elements, the onchange event occurs when the element loses focus, after the content has been changed. For "select" elements, the onchange event occurs when an option is selected.

Here are the steps that lead to an onchange event:

1. A user interacts with an input field, a textarea, or a select dropdown on a webpage. This could be through typing, selecting an option, or pasting text.

2. The user then clicks outside of the field or moves to another field, causing the original field to lose focus.

3. If the value within the field has been changed, the onchange event is triggered.

4. Any JavaScript function that has been set to run on the onchange event will then execute. This could be a function that validates the input, updates other elements on the page, sends data to a server, etc.

When onchange event will occurs ?

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