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Cannot read properties of undefined (reading 'undefined') this error

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Usman Zafar answered on April 17, 2022 Popularity 10/10 Helpfulness 1/10

answer Cannot read properties of undefined (reading 'undefined') this error

related Uncaught TypeError: Cannot read properties of undefined (reading 'hasOwnProperty')

related Cannot read properties of undefined (reading 'props')

Cannot read properties of undefined (reading 'undefined') this error

Comment

<div className="test col-sm-6 col-12">
  {round !== undefined && section !== undefined && (
    <FieldFormDropDown
      label="floor_bag_time_2"
      name={`rounds[${round}].sections[${section}].floor_bag_time_2`}
      options={[
        { value: 'light', label: 'Light' },
        { value: 'medium', label: 'Medium' },
        { value: 'high', label: 'High' }
      ]}
      round={round}
      section={section}
      fieldName="floor_bag_time_2"
      nextName={
        (round === 0 || round === "0" || round === 2 || round === "2") &&
        `rounds[${roundNumber}].sections[${section}].floor_1`
      }
    />
  )}
</div>

Popularity 10/10 Helpfulness 1/10 Language javascript

Source: chat.openai.com

Tags: javascript properties this undefined

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Contributed on Aug 19 2023

Usman Zafar

0 Answers Avg Quality 2/10

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Uncaught TypeError: Cannot read properties of undefined (reading 'hasOwnProperty')

Comment

<Modal open={isOpen}>
	<div></div>
	<div></div>
</Modal>

// it is necessary to have a component only inside the modal

<Modal open={isOpen}>
	<>
    	<div></div>
		<div></div>
    </>
</Modal>

Popularity 10/10 Helpfulness 1/10 Language html

Source: Grepper

Tags: html

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Contributed on Nov 04 2022

guiliuri

0 Answers Avg Quality 2/10

Cannot read properties of undefined (reading 'props')

Comment

-2

// Use arrow functions

class Character extends Component {
    render() {
        // ...
    };

    handleDelete = () => {
        this.props.onDelete(this.props.char);
    }
}

Popularity 10/10 Helpfulness 1/10 Language javascript

Source: stackoverflow.com

Tags: javascript j

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Contributed on Apr 17 2022

MD Redwan Hussain

0 Answers Avg Quality 2/10

Cannot read properties of undefined (reading 'undefined') this error

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Cannot read properties of undefined (reading 'undefined') this error

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Uncaught TypeError: Cannot read properties of undefined (reading 'hasOwnProperty')

Cannot read properties of undefined (reading 'props')

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