flex详述和js常用方法_js常用方法资源-CSDN文库

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<script>

letnum=15

lets=15+""

console.log("s",s+1);

letn1=Number(s)

console.log("n1",n1+1);

</script>

对象的动态属性

<script>

letdynamic="value";

letuser={

id:1,

[dynamic]:"othervalue"

};

console.log(user);

</script>

删除数组的重复项，嵌套的无法删除

<script>

letarr=['va','valu','value','va','valu

']

letoutput=Array.from(newSet(arr))

letoutput1=Array.from(newSet(arr1))

console.log(newSet(arr));

console.log(output);

</script>

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