{"id":24986,"date":"2022-12-07T03:35:12","date_gmt":"2022-12-06T22:05:12","guid":{"rendered":"https:\/\/jassweb.com\/solved\/solved-how-can-i-use-data-in-the-child-component-that-are-updated-in-parent-component-using-vue-js\/"},"modified":"2022-12-07T03:35:12","modified_gmt":"2022-12-06T22:05:12","slug":"solved-how-can-i-use-data-in-the-child-component-that-are-updated-in-parent-component-using-vue-js","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-how-can-i-use-data-in-the-child-component-that-are-updated-in-parent-component-using-vue-js\/","title":{"rendered":"[Solved] How can I use data in the child component that are updated in parent component using Vue.js?"},"content":{"rendered":"

[ad_1]
\n<\/p>\n

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<\/div>\n
\n
\n

One solution is to use the sync<\/code> modifier along with computed getters and setters:<\/p>\n

Parent Component<\/strong><\/p>\n

<template>\n    ...\n        <PaymentMethod :method.sync=\"method\" :term.sync=\"term\"\/>\n        ...\n        <b-btn class=\"float-right\" variant=\"primary\" @click=\"add\">\n             OK\n        <\/b-btn>\n    ...\n<\/template>\n<script>\n    export default {\n        data () {\n            return {\n                method: null,\n                term: null\n            }\n        },\n        ...\n    }\n<\/script>\n<\/code><\/pre>\n
Child Component<\/strong><\/p>\n
<template>\n    ...\n        <b-form-select v-model=\"_method\" :options=\"methodOptions\" \/>\n        ...\n        <b-form-select v-model=\"_term\" :options=\"termOptions\" \/>\n    ...\n<\/template>\n<script>\n    export default {\n        props: ['method', 'term'],\n        computed: {\n            _method: {\n               get () {\n                   return this.method\n               },\n               set (value) {\n                   this.$emit('update:method', value)\n               }\n            },\n            _term: {\n               get () {\n                   return this.term\n               },\n               set (value) {\n                   this.$emit('update:term', value)\n               }\n            },\n        },\n        ...\n    }\n<\/script>\n<\/code><\/pre>\n
Now with the parent component’s add<\/code> method you have access to the child’s selected method<\/code> and term<\/code> options:<\/p>\n
methods: {\n    add() {\n        \/\/ this.method is the value of _method \n        \/\/ this.term is the value of _term\n    }\n}\n<\/code><\/pre>\n
Update<\/strong><\/p>\n
Since you’ve stated you want both the value and text of the selected term \/ method, I would suggest the following changes:<\/p>\n
Parent<\/strong><\/p>\n
<template>\n    ...\n        <PaymentMethod :methods=\"methods\" \n                       :terms=\"terms\"  \n                       :method.sync=\"method\" \n                       :term.sync=\"term\"\/>\n        ...\n        <b-btn class=\"float-right\" variant=\"primary\" @click=\"add\">\n             OK\n        <\/b-btn>\n    ...\n<\/template>\n<script>\n    export default {\n        data () {\n            return {\n                \/\/ define your method and term arrays in the parent component.\n                \/\/ pass them as props to the child component.\n                methods: [{...}, {...}, {...}],\n                terms: [{...}, {...}, {...}],\n                method: null,\n                term: null\n            }\n        },\n        \/\/ use computed properties to retrieve the selected method \/ term option.\n        computed: {\n            selectedMethod () {\n                return this.methods.find(method => method.value === this.method)\n            },\n            selectedTerm () {\n                return this.terms.find(term => term.value === this.term)\n            },\n        }\n        ...\n    }\n<\/script>\n<\/code><\/pre>\n
Child<\/strong><\/p>\n
<template>\n    ...\n        <b-form-select v-model=\"_method\" :options=\"methods\" \/>\n        ...\n        <b-form-select v-model=\"_term\" :options=\"terms\" \/>\n    ...\n<\/template>\n<script>\n    export default {\n        props: ['method', 'term', 'methods', 'terms'],\n        computed: {\n            _method: {\n               get () {\n                   return this.method\n               },\n               set (value) {\n                   this.$emit('update:method', value)\n               }\n            },\n            _term: {\n               get () {\n                   return this.term\n               },\n               set (value) {\n                   this.$emit('update:term', value)\n               }\n            },\n        },\n        ...\n    }\n<\/script>\n<\/code><\/pre>\n<\/p><\/div>\n
<\/div>\n<\/div>\n
            5<\/span> <\/p><\/div>\n<\/div>\n
[ad_2]<\/p>\n
solved How can I use data in the child component that are updated in parent component using Vue.js? <\/p>\n","protected":false},"excerpt":{"rendered":"
[ad_1] One solution is to use the sync modifier along with computed getters and setters: Parent Component <template> … <PaymentMethod :method.sync=”method” :term.sync=”term”\/> … <b-btn class=”float-right” variant=”primary” @click=”add”> OK <\/b-btn> … <\/template> <script> export default { data () { return { method: null, term: null } }, … } <\/script> Child Component <template> … <b-form-select v-model=”_method” … Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[320],"tags":[5253,333,5252,808,5251],"class_list":["post-24986","post","type-post","status-publish","format-standard","hentry","category-solved","tag-bootstrap-vue","tag-javascript","tag-vue-component","tag-vue-js","tag-vuejs2"],"yoast_head":"\n[Solved] How can I use data in the child component that are updated in parent component using Vue.js? - JassWeb<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/jassweb.com\/solved\/solved-how-can-i-use-data-in-the-child-component-that-are-updated-in-parent-component-using-vue-js\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] How can I use data in the child component that are updated in parent component using Vue.js? - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] One solution is to use the sync modifier along with computed getters and setters: Parent Component <template> ... <PaymentMethod :method.sync="method" :term.sync="term"\/> ... <b-btn class="float-right" variant="primary" @click="add"> OK <\/b-btn> ... <\/template> <script> export default { data () { return { method: null, term: null } }, ... } <\/script> Child Component <template> ... <b-form-select v-model="_method" ... 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