基础语法

2019-01-19  本文已影响0人  luckee

遍历

js遍历

var x  
var mycars = new Array()  
mycars[0] = "Saab"  
mycars[1] = "Volvo"  
mycars[2] = "BMW"  
  
for (x in mycars)  
{  
    document.write(mycars[x] + "<br />")  
}  
array.forEach(v=>{  
    console.log(v);  
});

array.forEach(function(v){  
    console.log(v);  
});
for(let v of array) {  
        console.log(v);  
    };  

      let s = "helloabc";  
      for(let c of s) {  
      console.log(c); 
     }
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