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What is connectedCallBack in LWC?
What is connectedCallBack in LWC?
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2 Replies
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This is one of life cycle hook in web component JavaScript. connectedCallBack function invokes/fires automatically when certain lwc component inserted into web dom. It is works like init handler in lightning aura component, we can say it is lwc init handler.
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connectedCallback(): This callback method called when the element is inserted into a document. Its lifecycle flows from Parent to Child Component. we can’t access child elements in the component body because they don’t exist yet. You can access the host element with this.template.
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