Local has 500 rows in text content to obtain the first row of data in HTML page and delete data or first took the first second time line shows the second row, so will not repeat, hope have bosses can give a reference source, the best point with annotations, first thank you le!

CodePudding user response:

Remove all 500 lines
Line breaks into an array
Which line to display, use the array index

CodePudding user response:

For group control using 100 mobile phones, a script, you speak of this method can't assigned to each mobile phone and does not conflict,