1.安裝命令: npm install typescript -g 2.檢查是否安裝成功: tsc 3.把ts轉(zhuǎn)換為js: tsc demo.ts 4.安裝ts-node n...
1.安裝命令: npm install typescript -g 2.檢查是否安裝成功: tsc 3.把ts轉(zhuǎn)換為js: tsc demo.ts 4.安裝ts-node n...
let cardData=[{certificateName :'營業(yè)執(zhí)照',id:'44445245'},{certificateName :'',id:'44445245...
varvalues=[{name:'someName1'},{name:'someName2'},{name:'someName4'},{name:'someName2'}]...
exportdefault{name:'prewview',data(){return{list:[1,2,3,4,5,6]}},created(){console.log(...
首先本質(zhì)區(qū)別是: event.target返回觸發(fā)事件的元素 event.currentTarget返回綁定事件的元素 我們?yōu)橐粋€(gè)元素綁定一個(gè)點(diǎn)擊事件的時(shí)候,可以指定是要在捕...
letarr=[2,4,1,5,3,1];letres1=arr.map(function(item,index,array){returnitem>1;});letres2...
//狀態(tài),存放一些公用的屬性 state:{ personalinfo:{ name:"Liu", age:27 } } mutations:{ // 響應(yīng)式給對(duì)象添加數(shù)據(jù)...
1.Data數(shù)據(jù),數(shù)據(jù)對(duì)象在內(nèi)部進(jìn)行遞歸合并,并在發(fā)生沖突時(shí)以組件數(shù)據(jù)優(yōu)先; 2.鉤子函數(shù),created、mounted等同名鉤子函數(shù)會(huì)合并成一個(gè)數(shù)組,都將被調(diào)用?;烊雽?duì)象...
代碼中設(shè)置了一個(gè)setTimeout,瀏覽器會(huì)在合適的時(shí)間里將代碼插入任務(wù)隊(duì)列。如果時(shí)間為0,代表立即插入隊(duì)列,但不是立即執(zhí)行,仍然要等前面代碼執(zhí)行完畢才執(zhí)行。javascr...