Display substrate, detection method therefor, and display device

A display substrate, comprising:

• a substrate, comprising a display region and a peripheral region surrounding the display region;
• a plurality of subpixels, located in the display region;
• a plurality of data lines, located in the display region, and electrically connected with the plurality of subpixels;
• a first control signal line, located in the peripheral region;
• a second control signal line, located in the peripheral region;
• a crack detection line, located in the peripheral region, and arranged to surround the display region;
• at least one data detection line, located in the peripheral region;
• a plurality of display screen detection elements, located in the peripheral region, wherein at least one of the plurality of display screen detection elements is electrically connected with the first control signal line, the at least one data detection line and at least one of the plurality of data lines, and configured to transmit a detection signal provided by the at least one data detection line to at least one of the plurality of data lines according to a control signal provided by the first control signal line;
• and
• a plurality of crack detection elements, located in the peripheral region, wherein at least one of the plurality of crack detection elements is electrically connected with the crack detection line, the second control signal line and at least one of the plurality of data lines.