An introduction to how JavaScript uses the binary method to find data

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//二分法查数据 var arr=[41,43,45,53,44,95,23]; var b=44; var min=0; var max=arr.length; for(var i=1;iarr[zjs]){ min=zjs; } else{max=zjs}}

Find the total score of 10 scores, the highest score, the lowest score

var arr = new Array(80,70,86,58,90,35,89,67,50,100); var sum = 0; var maxd = 0; var mind = 100; //想要查最小数最好用满分最大数做可以比较的基数 for(var i=0;imaxd){ maxd = arr[i]; } if(arr[i]
        

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Add a unique number to the array

//var a=7; var a=parseInt(prompt("请输入一个数")); var x=0; var arr=[1,2,3,4,5] for(var i=0;i
        

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I have never been exposed to similar questions before using binary search data. I can’t think of any ideas. After the teacher finished speaking, I still seemed to understand but I didn’t understand until I typed it out.Bubble sortingIt looks quite easy, but when it comes to typing the code yourself, you make mistakes again. You can't always compare the gourds to the gourds, you should have your own understanding of why you type like this, and type more code to avoid similar mistakes in the future. Small mistakes, thevariablesyou define must be remembered, and they echo before and after. When you can't define it, use one, and when you use it, use another one. Remember to add semicolons and curly braces.

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