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blockly > CodeGenerator > addLoopTrap
CodeGenerator.addLoopTrap() method
Add an infinite loop trap to the contents of a loop. Add statement suffix at the start of the loop block (right after the loop statement executes), and a statement prefix to the end of the loop block (right before the loop statement executes).
Signature:
addLoopTrap(branch: string, block: Block): string;
Parameters
| Parameter |
Type |
Description |
| branch |
string |
Code for loop contents. |
| block |
Block |
Enclosing block. |
Returns:
string
Loop contents, with infinite loop trap added.
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Last updated 2024-09-18 UTC.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2024-09-18 UTC."],[[["\u003cp\u003eThis method redraws any attached marker or cursor SVGs to the BlockSvg if they require updating.\u003c/p\u003e\n"],["\u003cp\u003eIt's a protected method within the BlockSvg class, meaning it's primarily for internal use within Blockly's functionality.\u003c/p\u003e\n"],["\u003cp\u003eThe method doesn't return any specific value (void), simply performing the update action when invoked.\u003c/p\u003e\n"]]],[],null,["[blockly](./blockly.md) \\\u003e [CodeGenerator](./blockly.codegenerator_class.md) \\\u003e [addLoopTrap](./blockly.codegenerator_class.addlooptrap_1_method.md)\n\nCodeGenerator.addLoopTrap() method\n\nAdd an infinite loop trap to the contents of a loop. Add statement suffix at the start of the loop block (right after the loop statement executes), and a statement prefix to the end of the loop block (right before the loop statement executes).\n\n**Signature:** \n\n addLoopTrap(branch: string, block: Block): string;\n\nParameters\n\n| Parameter | Type | Description |\n|-----------|-----------------------------------|-------------------------|\n| branch | string | Code for loop contents. |\n| block | [Block](./blockly.block_class.md) | Enclosing block. |\n\n**Returns:**\n\nstring\n\nLoop contents, with infinite loop trap added."]]
