{"id":234565,"date":"2020-12-28T22:16:21","date_gmt":"2020-12-28T14:16:21","guid":{"rendered":"http:\/\/4563.org\/?p=234565"},"modified":"2020-12-28T22:16:21","modified_gmt":"2020-12-28T14:16:21","slug":"%e5%85%b3%e4%ba%8e-js-%e4%b8%ad%e4%bd%bf%e7%94%a8-switch-true-%e5%92%8c-if-else","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=234565","title":{"rendered":"\u5173\u4e8e js \u4e2d\u4f7f\u7528 switch (true) \u548c if else"},"content":{"rendered":"
\n
\n
\n

\u5173\u4e8e js \u4e2d\u4f7f\u7528 switch (true) \u548c if else <\/h1>\n

<\/p>\n

\n
\u8cc7\u6df1\u5927\u4f6c : Flands <\/span> <\/i> 5<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
<\/p>\n
switch (true) {   case this.status === 0 && data.type === 1:   case (this.status === 2 || this.status === 3) && data.status === 2:     this.nextBtnIsOk = true     break;    default:     break; }  if (   (this.status === 0 && data.type === 1) ||   ((this.status === 2 || this.status === 3) && data.status === 2) ) {   this.nextBtnIsOk = true; } <\/code><\/pre>\n
\u6295\u4e2a\u7968\uff0c\u5927\u5bb6\u4e60\u60ef\u5199\u54ea\u79cd\u683c\u5f0f\uff1f\u4e24\u79cd\u90fd\u53ef\u4ee5\uff0c\u770b\u56e2\u961f\u4ee3\u7801\u98ce\u683c\u3002
 \u4e3b\u8981\u662f if else \u7684\u62ec\u53f7\u592a\u591a\uff0c\u770b\u7740\u6709\u70b9\u7d2f\uff0c\u54c8\u54c8\u3002\u3002<\/p>\n<\/p><\/div>\n
 \u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (37<\/span>)        <\/div>\n
 <\/div>\n<\/p><\/div>\n<\/p><\/div>\n
    \n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : islxyqwe <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 this.nextBtnIsOk = (this.status === 0 && data.type === 1) ||
     ((this.status === 2 || this.status === 3) && data.status === 2)                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : Flands <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @islxyqwe \u8fd8\u5728\u5f00\u53d1\u7684\u529f\u80fd\uff0c\u6709\u53ef\u80fd\u6709\u5176\u4ed6\u5224\u65ad\u548c\u903b\u8f91\uff0c\u4e0d\u4e00\u5b9a\u53ea\u6709 `this.nextBtnIsOk = true` \u8fd9\u4e00\u884c                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : Flands <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u8fd9\u91cc\u53ea\u8ba8\u8bba\u8fd9\u4e24\u79cd\u98ce\u683c\uff0c\u4e0d\u8981\u5728\u610f\u903b\u8f91~                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : 3dwelcome <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u6211\u8fd8\u662f\u7b2c\u4e00\u6b21\u770b\u5230 switch \u8fd8\u80fd\u6709\u8fd9\u79cd\u7528\u6cd5\uff0c\u679c\u7136 JS \u662f\u4e07\u80fd\u7684\uff0c\u6da8\u59ff\u52bf\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : 3dwelcome <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u5c31\u4e2a\u4eba\u800c\u8a00\uff0c\u6211\u559c\u6b22\u5199 early return\uff0c\u5c31\u662f nextBtnIsOk = true \u540e\u5c31\u76f4\u63a5\u4e00\u53e5 return, \u4e5f\u6ca1\u591a\u4f59\u5224\u65ad\u3002
    \u53ef\u80fd\u5b50\u51fd\u6570\u4f1a\u591a\u4e00\u70b9\u70b9\uff0c\u4f46\u6d41\u7a0b\u6bd4\u8f83\u5bb9\u6613\u770b\u61c2\uff0c\u4e5f\u6ca1\u6709\u90a3\u4e48\u591a\u62ec\u53f7\u548c else \u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : Bijiabo <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u6211\u503e\u5411\u5199 switch(true)                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : BreadKiller <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u6211\u4e5f\u662f\u7b2c\u4e00\u6b21\u770b\u5230 switch \u8fd9\u79cd\u5199\u6cd5\u3002
    \u5c31\u53ef\u8bfb\u6027\u6765\u8bf4 switch \u8fd9\u79cd\u5199\u6cd5\u786e\u5b9e\u6bd4\u4e0b\u9762\u8fd9\u79cd\u4e00\u5927\u4e32\u7684\u62ec\u53f7\u597d\u770b\u3002<\/p>\n
    \u4f46\u662f\u6211\u4e00\u822c\u9047\u5230\u8fd9\u79cd\u5f88\u591a\u6761\u4ef6\u7684\u60c5\u51b5\u90fd\u4f1a\u628a\u5404\u79cd\u6761\u4ef6\u5206\u522b\u5b9a\u4e49\uff1a
    let a = this.status === 0 && data.type === 1;
    let b = (this.status === 2 || this.status === 3) && data.status === 2;
    if (a || b) {
     this.nextBtnIsOk = true;
    }                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : faceRollingKB <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u6211\u7684\u5199\u6cd5\u4e00\u822c\u662f if + return<\/p>\n
    if(this.status === 0 && data.type === 1){
     return;
    }
    if((this.status === 2 || this.status === 3) && data.status === 2){
     this.nextBtnIsOk = true
     return;
    }
    …                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : enjoyCoding <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 if (condition1) {
     …
     return
    }
    if (condition2) {
     …
     return
    }
    \u5bf9\u4e8e condition \u6bd4\u8f83\u957f\u7684
    const isCondition = () => {}
    if (isCondition()) {}                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : faceRollingKB <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u76f8\u5bf9\u4e8e\u5176\u4ed6\u5199\u6cd5\u6211\u89c9\u5f97\u8981\u66f4\u7075\u6d3b                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : EscYezi <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u5982\u679c\u662f\u8fd9\u4e24\u79cd\u7684\u8bdd\u9009\u7b2c\u4e00\u79cd\uff0c\u6709\u65f6\u4e5f\u7528#9 \u7684\u65b9\u5f0f                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : wednesdayco <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u4e3a\u4e86\u65b9\u4fbf\u6269\u5c55\u548c\u7406\u89e3\u6211\u5927\u6982\u4f1a\u8fd9\u4e48\u5199
    condition = {conditionName0:[0,1],conditionName1:[[2,3],2]};
    \u200b
    const getConditionResult = (cdt)=>{
     const cdt0=Array.isArray(cdt[0])?cdt[0].includes(this.status):cdt[0]===this.status;
     const cdt1=Array.isArray(cdt[1])?cdt[1].includes(data.status):cdt[1]===data.status;
     return cdt0&&cdt1;
    }
    \u200b
    if(getConditionResult(condition.conditionName0)||getConditionResult(condition.conditionName1)){
     return xxx=true;
    }                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : kyuuseiryuu <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 condition \u5f88\u957f\u7684\u8bdd\u5e94\u8be5\u628a\u4ed6\u5199\u6210\u51fd\u6570\uff0c\u800c\u4e0d\u662f\u641e\u8fd9\u79cd\u53d6\u5de7\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : abelmakihara <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u8981\u4e48\u5c31\u6781\u7b80 \u76f4\u63a5 this.nextBtnIsOk = (this.status === 0 && data.type === 1) || ((this.status === 2 || this.status === 3) && data.status === 2)
    \u7279\u522b\u590d\u6742\u5c31\u4e24\u904d switch \u597d\u4e86 
    \u6839\u636e\u4e0d\u540c type \u505a\u4e0d\u540c\u5904\u7406                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : abelmakihara <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 switch(type){
    case 1: xxx();break;
    case 2: xxx2();break;                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : huichao <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 switch. \u559c\u6b22 switch \u7684\u5199\u6cd5\uff0c\u6027\u80fd\u6bd4 if else \u9ad8\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : solobat <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 break \u633a\u4e11\u7684                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : AoEiuV020 <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u540e\u8005\uff0c
    switch \u8fd9\u6837\u5199\u592a\u4e11\u4e86\uff0c                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : heyzoo <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u8fd9\u8ba9\u6211\u60f3\u8d77\u4e86 switch case \u6b63\u5219\u5224\u65ad\u3002\u6211\u66f4\u503e\u5411\u4e8e switch                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : Biwood <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u770b\u5230\u8fc7\u8fd9\u79cd\u5199\u6cd5\uff0c\u4f46\u662f\u6211\u4e2a\u4eba\u4e00\u76f4\u90fd\u6ca1\u8fd9\u4e48\u5199\u8fc7\uff0c\u4ee3\u7801\u6bd5\u7adf\u662f\u5199\u7ed9\u4eba\u770b\u7684\uff0c\u600e\u4e48\u76f4\u89c2\u600e\u4e48\u6765\u3002\u5982\u679c\u6761\u4ef6\u8bed\u53e5\u592a\u957f\uff0c\u8981\u4e48\u6362\u884c\uff0c\u683c\u5f0f\u5316\u4ee3\u7801\uff0c\u8981\u4e48\u5c01\u88c5\u6210\u51fd\u6570\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : love <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u8fd9\u79cd switch \u5199\u6cd5\u662f\u4ec0\u4e48\u9b3c\uff1f\u4ece\u6765\u6ca1\u89c1\u8fc7\uff0c\u800c\u4e14\u611f\u89c9\u5f88\u5bb9\u6613\u51fa\u9519\u3002<\/p>\n
    switch (true) { case true: console.log(“FUCK”); } 
    \u8fd9\u7684\u786e\u53ef\u4ee5<\/p>\n
    \u4f46
    switch (true) { case 1: console.log(“FUCK”); } 
    \u8fd9\u5c31\u4e0d\u884c\u4e86\u5427\uff0c\u4f60\u5f97\u786e\u4fdd\u6761\u4ef6\u90fd\u8fd4\u56de true \u522b\u7684 true \u503c\u90fd\u4e0d\u884c\uff0c\u8fd9\u592a\u5bb9\u6613\u51fa\u9519\u4e86\uff0c\u6bd4\u5982\u4e00\u4e2a\u51fd\u6570\u8fd4\u56de\u503c\u4f60\u4e0d\u80fd\u786e\u5b9a\u5c31\u662f true\uff0c\u4f60\u5f97\u7528 case Boolean(isSomething())\u5305\u4e00\u5c42                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : weixiangzhe <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u8fd8\u80fd\u8fd9\u6837\u73a9\u554a\uff0c\u6da8\u89c1\u8bc6\u4e86\uff0c\u8bdd\u8bf4\u8fd9\u4e2a do-expression \u4e5f\u633a\u597d\u7684 
    https:\/\/babeljs.io\/docs\/en\/babel-plugin-proposal-do-expressions                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : dartabe <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u4e0a\u7684 if + early return \u6bd4\u8f83\u597d<\/p>\n
    \u53cd\u6b63\u6211\u611f\u89c9\u53ea\u6709 if \u6ca1\u6709 else \u7684\u4ee3\u7801\u6bd4\u8f83\u597d\u8bfb                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : zmNv0 <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u82e5\u5355\u53d8\u91cf\uff0c\u4f7f\u7528 switch
    \u82e5\u591a\u53d8\u91cf\uff0c\u4f7f\u7528 if return                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : xingchong <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 js \u6210\u5929\u88ab\u55b7\u7b80\u5355\uff0c\u662f\u4e2a\u4eba\u90fd\u4f1a\u7528\uff0c\u770b\u4e0a\u56de\u590d\u7adf\u7136\u8fd9\u4e48\u591a\u7b2c\u4e00\u6b21\u89c1\u5230 switch \uff1f\uff1f\uff1f
    \u90fd\u662f\u540e\u7aef\u7a0b\u5e8f\u733f\u5417\uff1f
    \u7528\u54ea\u79cd\u65b9\u5f0f\uff0c\u4e3b\u8981\u770b\u4e1a\u52a1\u903b\u8f91\uff0c\u6bd4\u5982\u5224\u65ad\u8ba2\u5355\u72b6\u6001\uff0c\u6bcf\u4e2a\u72b6\u6001\u5bf9\u5e94\u4e00\u79cd\u903b\u8f91\u7684\u8bdd\uff0cswitch \u5f88\u76f4\u89c2\uff0c\u6700\u540e\u518d\u52a0\u4e00\u4e2a default\uff0c\u8fd9\u79cd\u7528 ifelse \u5c31\u770b\u7740\u6709\u70b9\u5570\u55e6\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : GuuJiang <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @xingchong \u8fd9\u662f\u6211\u89c1\u8fc7\u540e\u7aef\u88ab\u9ed1\u7684\u6700\u60e8\u7684\u4e00\u6b21\uff0c\u4e0a\u8bf4\u7684\u4e0d\u662f\u7b2c\u4e00\u6b21\u89c1 switch\uff0c\u800c\u662f\u7b2c\u4e00\u6b21\u89c1 switch(true)                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : xingchong <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @GuuJiang soga\uff0c\u6211\u8bf4\u5462\uff0c\u770b\u9519\u4e86\uff0c\u54c8\u54c8\u54c8                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : chenyu0532 <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u6211\u7edd\u5927\u591a\u6570\u60c5\u51b5\u4e0b\u4f7f\u7528 if else\uff0c\u83ab\u540d\u7684\u770b swtich \u4e0d\u987a\u773c                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : leeton <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u5c45\u7136\u80fd\u7528 switch \u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : Lemeng <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u559c\u6b22 if                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : DOLLOR <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u4e0d\u559c\u6b22 switch-case \u7684\u53ef\u4ee5\u76f4\u63a5\u7528 label \u8bed\u53e5\uff0c<\/p>\n
    let nextBtnIsOk = true
    label:{
     if(this.status === 0 && data.type === 1) break label;
     if((this.status === 2 || this.status === 3) && data.status === 2) break label;
     nextBtnIsOk = false;
    }
    this.nextBtnIsOk = nextBtnIsOk;                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : forgottencoast <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u8003\u8651\u4ee3\u7801\u53ef\u8bfb\u6027\uff0cif \u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : acmore <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u5982\u679c If \u8bed\u53e5\u90fd\u8981\u5199\u6210\u4e0b\u8fb9\u8fd9\u79cd\u5f62\u5f0f\u6211\u9009 Switch\uff0c\u8bfb\u8d77\u6765\u592a\u7d2f\uff0c\u7136\u800c\u4f60\u4e0d\u5fc5\u975e\u8981\u8fd9\u4e48\u5199 If \u8bed\u53e5\uff0c7 \u7684\u5199\u6cd5\u5c31\u8212\u670d\u5f88\u591a\u4e86\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : DOLLOR <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @BreadKiller 
    \u4f60\u7684\u8fd9\u5199\u6cd5\u4f1a\u5bfc\u81f4\u6bcf\u6b21\u6267\u884c\u90fd\u8981\u8ba1\u7b97\u6bcf\u4e2a\u6761\u4ef6\u7684\u503c\u3002\u6539\u8fdb\u4e00\u4e0b\u53ef\u4ee5\u4f7f\u5f97\u524d\u9762\u7684\u6761\u4ef6\u6ee1\u8db3\u540e\u4e0d\u518d\u8ba1\u7b97\u540e\u9762\u7684\u6761\u4ef6\u503c\u3002<\/p>\n
    let willSet;
    willSet = willSet || this.status === 0 && data.type === 1;
    willSet = willSet || (this.status === 2 || this.status === 3) && data.status === 2;
    willSet = willSet || xxxxx;
    willSet = willSet || yyyyy;
    willSet = willSet || zzzzz;
    \/\/ …<\/p>\n
    if (willSet) {
     this.nextBtnIsOk = true;
    }                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : Reapper <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 if + return                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : ciddechan <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 let a = ‘3’;
    switch (a) {
     case 3:
     console.log(false)
     break;
     case ‘3’:
     console.log(true)
     break;
    }<\/p>\n
    console.log(a==3)
    console.log(a==’3′)
    console.log(a===3)
    console.log(a===’3′)<\/p>\n
    switch \u7ea6\u7b49\u4e8e ===                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : jifengg <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u4e5f\u662f\u7b2c\u4e00\u6b21\u77e5\u9053 switch \u8fd8\u80fd\u8fd9\u4e48\u73a9\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n","protected":false},"excerpt":{"rendered":"
    \u5173\u4e8e js \u4e2d\u4f7f\u7528 switch …<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/234565"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=234565"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/234565\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=234565"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=234565"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=234565"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}