# ð 3/26 (äº) æ¯æ¥ä»»å ###### tags: `JS çŽæç - 2021 æ¥å£ç` ééåœåŒèšèšèçé忥 --- è«ååžè§çå® [åèç« ç¯åœ±ç]() åé²è¡äœçã åé¡ --- èšåŸå èŒå ¥ axios ç CDN ```htmlembedded= <script src="https://cdn.jsdelivr.net/npm/axios/dist/axios.min.js"></script> ``` 1. å·è¡ä»¥äžçšåŒïŒè«å console.log ç顯瀺é åºçºäœ? HTML ```htmlembedded= <p class="title"></p> ``` JS ```js= let arr = []; axios.get('https://hexschool.github.io/ajaxHomework/data.json').then(function(response){ console.log('è³ææåå³äº'); // é åº ? arr = response.data; renderData(); }) function renderData(){ console.log(arr); // é åº ? } console.log(arr); // é åº ? ``` . 2. æ¿äžé¡ïŒåŠæåžæå å ¥ä»¥äž JSïŒè® class çº title ç p æšç±€å¯ä»¥æ£åžžçåçŸãçå°åãéäžååïŒåæè©²å°ä»¥äž JS å¡«å ¥åé 1 鿝åé 2 ? ```js= const title = document.querySelector('.title'); title.textContent = arr[0].name; ``` å¡«å ¥åé ```js= let arr = []; axios.get('https://hexschool.github.io/ajaxHomework/data.json').then(function(response){ console.log('è³ææåå³äº'); arr = response.data; renderData(); }) function renderData(){ console.log(arr); // åé 1 } console.log(arr); // åé 2 ``` åå ±æµçš --- å°çæ¡å¯«åš CodePen 䞊è€è£œ CodePen é£çµè²Œè³ thread äžåå ±å°±ç®å®æäºå! è§£çè«åèäžåïŒéæéçšåŒç¢Œçéšåè§çïŒ  <!-- è§£çäž console çå·è¡é åºçº: let arr = []; axios.get('https://hexschool.github.io/ajaxHomework/data.json').then(function(response){ console.log('è³ææåå³äº'); // é åº 2 arr = response.data; renderData(); }) function renderData(){ console.log(arr); // é åº 3 } console.log(arr); // é åº 1 --> <!-- è§£çäº æè©²å¡«å ¥åéäž -->
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